./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC --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 c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:12:13,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:12:14,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:12:14,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:12:14,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:12:14,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:12:14,110 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:12:14,110 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:12:14,111 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:12:14,111 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:12:14,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:12:14,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:12:14,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:12:14,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:12:14,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:12:14,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:12:14,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:12:14,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:12:14,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:12:14,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:12:14,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:12:14,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:12:14,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:12:14,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:12:14,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:12:14,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:12:14,114 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:12:14,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:12:14,114 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:12:14,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:12:14,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:12:14,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:12:14,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:12:14,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:12:14,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:12:14,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:12:14,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:12:14,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:12:14,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:12:14,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:12:14,116 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:12:14,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:12:14,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:12:14,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:12:14,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:12:14,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:12:14,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:12:14,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:12:14,117 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_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC 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 -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2024-11-24 01:12:14,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:12:14,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:12:14,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:12:14,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:12:14,423 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:12:14,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-24 01:12:17,344 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/4f45d2998/2ea46fd46dac4e8f9734a9ba35882a83/FLAG5997ccf3d [2024-11-24 01:12:17,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:12:17,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-24 01:12:17,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/4f45d2998/2ea46fd46dac4e8f9734a9ba35882a83/FLAG5997ccf3d [2024-11-24 01:12:17,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/4f45d2998/2ea46fd46dac4e8f9734a9ba35882a83 [2024-11-24 01:12:17,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:12:17,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:12:17,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:12:17,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:12:17,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:12:17,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:17,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b681fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17, skipping insertion in model container [2024-11-24 01:12:17,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:17,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:12:17,865 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_facc4dbe-3f90-441e-a187-77acd7ee0f30/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-24 01:12:17,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:12:17,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:12:17,960 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_facc4dbe-3f90-441e-a187-77acd7ee0f30/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-24 01:12:17,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:12:17,996 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:12:17,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17 WrapperNode [2024-11-24 01:12:17,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:12:17,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:12:17,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:12:17,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:12:18,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,035 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-24 01:12:18,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:12:18,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:12:18,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:12:18,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:12:18,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,046 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,059 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]. [2024-11-24 01:12:18,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:12:18,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:12:18,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:12:18,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:12:18,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (1/1) ... [2024-11-24 01:12:18,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:12:18,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:18,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:12:18,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:12:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:12:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:12:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:12:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:12:18,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:12:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:12:18,213 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:12:18,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:12:18,526 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:12:18,526 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:12:18,542 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:12:18,542 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:12:18,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:12:18 BoogieIcfgContainer [2024-11-24 01:12:18,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:12:18,547 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:12:18,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:12:18,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:12:18,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:12:17" (1/3) ... [2024-11-24 01:12:18,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f550e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:12:18, skipping insertion in model container [2024-11-24 01:12:18,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:12:17" (2/3) ... [2024-11-24 01:12:18,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f550e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:12:18, skipping insertion in model container [2024-11-24 01:12:18,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:12:18" (3/3) ... [2024-11-24 01:12:18,558 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-24 01:12:18,576 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:12:18,578 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-72.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:12:18,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:12:18,690 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;@70292e89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:12:18,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:12:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:12:18,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:12:18,713 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:18,715 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:12:18,715 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:18,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:18,722 INFO L85 PathProgramCache]: Analyzing trace with hash 160648386, now seen corresponding path program 1 times [2024-11-24 01:12:18,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:18,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216052418] [2024-11-24 01:12:18,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:18,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 01:12:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:19,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216052418] [2024-11-24 01:12:19,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216052418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:19,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345623023] [2024-11-24 01:12:19,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:19,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:19,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:19,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:19,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:12:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:19,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:12:19,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-24 01:12:19,349 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:12:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345623023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:12:19,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:12:19,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:12:19,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998624916] [2024-11-24 01:12:19,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:12:19,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:12:19,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:19,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:12:19,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:12:19,381 INFO L87 Difference]: Start difference. First operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:12:19,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:19,423 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-11-24 01:12:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:12:19,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 128 [2024-11-24 01:12:19,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:19,437 INFO L225 Difference]: With dead ends: 103 [2024-11-24 01:12:19,437 INFO L226 Difference]: Without dead ends: 51 [2024-11-24 01:12:19,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:12:19,444 INFO L435 NwaCegarLoop]: 75 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, 75 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 [2024-11-24 01:12:19,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:12:19,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-24 01:12:19,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-24 01:12:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:12:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-24 01:12:19,503 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 128 [2024-11-24 01:12:19,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:19,505 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-24 01:12:19,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:12:19,505 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-24 01:12:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:12:19,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:19,510 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:12:19,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:12:19,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:19,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:19,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:19,712 INFO L85 PathProgramCache]: Analyzing trace with hash 2033626948, now seen corresponding path program 1 times [2024-11-24 01:12:19,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:19,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977713376] [2024-11-24 01:12:19,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:19,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 01:12:20,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:20,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977713376] [2024-11-24 01:12:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977713376] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:20,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828858723] [2024-11-24 01:12:20,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:20,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:20,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:20,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:20,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:12:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:20,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 01:12:20,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:12:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-24 01:12:20,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:12:21,343 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 01:12:21,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828858723] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:12:21,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:12:21,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-24 01:12:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564494776] [2024-11-24 01:12:21,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:12:21,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:12:21,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:12:21,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:12:21,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:12:21,350 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 01:12:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:12:21,669 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2024-11-24 01:12:21,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:12:21,670 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 128 [2024-11-24 01:12:21,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:12:21,671 INFO L225 Difference]: With dead ends: 107 [2024-11-24 01:12:21,672 INFO L226 Difference]: Without dead ends: 59 [2024-11-24 01:12:21,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:12:21,673 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 45 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:12:21,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 101 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:12:21,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-24 01:12:21,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-24 01:12:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:12:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2024-11-24 01:12:21,688 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 128 [2024-11-24 01:12:21,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:12:21,689 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2024-11-24 01:12:21,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 01:12:21,690 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2024-11-24 01:12:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:12:21,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:12:21,692 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:12:21,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:12:21,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:21,896 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:12:21,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:12:21,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1224280322, now seen corresponding path program 1 times [2024-11-24 01:12:21,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:12:21,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466171607] [2024-11-24 01:12:21,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:12:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 54 proven. 60 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-11-24 01:12:24,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:12:24,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466171607] [2024-11-24 01:12:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466171607] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:12:24,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950103613] [2024-11-24 01:12:24,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:12:24,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:12:24,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:12:24,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:12:24,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:12:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:12:25,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 01:12:25,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:20:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 01:20:20,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:20:20,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950103613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:20,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:20:20,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-24 01:20:20,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465122899] [2024-11-24 01:20:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:20,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:20:20,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:20:20,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:20:20,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:20:20,199 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 01:20:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:20,847 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2024-11-24 01:20:20,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:20:20,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 128 [2024-11-24 01:20:20,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:20,851 INFO L225 Difference]: With dead ends: 108 [2024-11-24 01:20:20,851 INFO L226 Difference]: Without dead ends: 106 [2024-11-24 01:20:20,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-11-24 01:20:20,852 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 90 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:20:20,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 370 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:20:20,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-24 01:20:20,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 63. [2024-11-24 01:20:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.131578947368421) internal successors, (43), 38 states have internal predecessors, (43), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:20:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions. [2024-11-24 01:20:20,883 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 85 transitions. Word has length 128 [2024-11-24 01:20:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:20,884 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 85 transitions. [2024-11-24 01:20:20,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 01:20:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2024-11-24 01:20:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:20:20,891 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:20,891 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:20:20,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:20:21,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:20:21,092 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:20:21,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1226127364, now seen corresponding path program 1 times [2024-11-24 01:20:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:21,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469822645] [2024-11-24 01:20:21,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:21,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:24,003 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-24 01:20:24,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:20:24,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469822645] [2024-11-24 01:20:24,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469822645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:24,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:20:24,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:20:24,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337834506] [2024-11-24 01:20:24,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:24,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:20:24,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:20:24,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:20:24,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:20:24,006 INFO L87 Difference]: Start difference. First operand 63 states and 85 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 01:20:24,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:24,938 INFO L93 Difference]: Finished difference Result 93 states and 121 transitions. [2024-11-24 01:20:24,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:20:24,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 128 [2024-11-24 01:20:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:24,940 INFO L225 Difference]: With dead ends: 93 [2024-11-24 01:20:24,940 INFO L226 Difference]: Without dead ends: 91 [2024-11-24 01:20:24,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:20:24,941 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 84 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:20:24,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 326 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:20:24,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-24 01:20:24,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 63. [2024-11-24 01:20:24,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.131578947368421) internal successors, (43), 38 states have internal predecessors, (43), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:20:24,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions. [2024-11-24 01:20:24,961 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 85 transitions. Word has length 128 [2024-11-24 01:20:24,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:24,962 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 85 transitions. [2024-11-24 01:20:24,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-24 01:20:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2024-11-24 01:20:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:20:24,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:24,964 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:20:24,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:20:24,965 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:20:24,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:24,965 INFO L85 PathProgramCache]: Analyzing trace with hash 526470572, now seen corresponding path program 1 times [2024-11-24 01:20:24,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:20:24,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611413610] [2024-11-24 01:20:24,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:24,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:20:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:20:25,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315795857] [2024-11-24 01:20:25,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:25,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:20:25,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:20:25,050 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:20:25,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 01:20:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:20:25,365 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:20:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:20:25,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:20:25,516 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:20:25,518 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:20:25,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 01:20:25,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:20:25,725 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-24 01:20:25,880 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:20:25,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:20:25 BoogieIcfgContainer [2024-11-24 01:20:25,887 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:20:25,889 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:20:25,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:20:25,890 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:20:25,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:12:18" (3/4) ... [2024-11-24 01:20:25,896 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:20:25,897 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:20:25,898 INFO L158 Benchmark]: Toolchain (without parser) took 488241.57ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 981.5MB). Free memory was 92.1MB in the beginning and 977.4MB in the end (delta: -885.2MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2024-11-24 01:20:25,899 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:20:25,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.91ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:20:25,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.86ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:20:25,900 INFO L158 Benchmark]: Boogie Preprocessor took 38.04ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:20:25,900 INFO L158 Benchmark]: RCFGBuilder took 468.54ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 59.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:20:25,901 INFO L158 Benchmark]: TraceAbstraction took 487340.25ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 981.5MB). Free memory was 59.4MB in the beginning and 977.6MB in the end (delta: -918.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-24 01:20:25,901 INFO L158 Benchmark]: Witness Printer took 7.47ms. Allocated memory is still 1.1GB. Free memory was 977.6MB in the beginning and 977.4MB in the end (delta: 231.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:20:25,906 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.91ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.86ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 77.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.04ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.54ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 59.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 487340.25ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 981.5MB). Free memory was 59.4MB in the beginning and 977.6MB in the end (delta: -918.2MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Witness Printer took 7.47ms. Allocated memory is still 1.1GB. Free memory was 977.6MB in the beginning and 977.4MB in the end (delta: 231.9kB). Peak memory consumption was 8.4MB. 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 to_int at line 100, overapproximation of to_int at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_8 = 1; [L25] unsigned char var_1_9 = 0; [L26] unsigned long int var_1_10 = 2; [L27] signed char var_1_11 = -16; [L28] signed char var_1_12 = -2; [L29] signed char var_1_13 = -10; [L30] signed char var_1_14 = 4; [L31] signed long int var_1_15 = 256; [L32] signed long int var_1_16 = 0; [L33] signed long int var_1_17 = 1000000000; [L34] signed long int var_1_18 = 50; [L35] signed long int var_1_19 = 9; [L36] signed long int var_1_20 = 1000000000; [L37] signed char var_1_21 = 4; [L38] unsigned short int var_1_22 = 10000; [L39] unsigned char last_1_var_1_1 = 1; [L40] signed long int last_1_var_1_15 = 256; VAL [isInitial=0, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=0, var_1_8=1, var_1_9=0] [L104] isInitial = 1 [L105] FCALL initially() [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 [L97] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=0, var_1_8=1, var_1_9=0] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L66] var_1_8 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L68] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L69] var_1_9 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0] [L70] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0] [L71] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L71] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L74] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L75] var_1_13 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L76] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L77] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=4, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L80] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=0, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L81] var_1_16 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L82] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L83] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L84] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=1000000000, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L85] var_1_17 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L86] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L87] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=50, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L88] var_1_18 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L89] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L90] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=9, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L91] var_1_19 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L93] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L108] RET updateVariables() [L109] CALL step() [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=1000000000, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=0, var_1_9=0] [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] var_1_20 = var_1_19 [L49] var_1_21 = 1 [L50] var_1_22 = 10 VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=257, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L51] COND TRUE (var_1_20 + (var_1_20 / var_1_16)) == var_1_20 VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=256, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=257, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L52] COND TRUE var_1_20 >= last_1_var_1_15 [L53] var_1_15 = (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=1, var_1_20=257, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L58] COND TRUE var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L59] var_1_1 = (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=-17, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=0, var_1_20=257, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) ? ((var_1_20 >= last_1_var_1_15) ? (var_1_15 == ((signed long int) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((signed long int) ((((var_1_17) < ((5.75 + var_1_19))) ? (var_1_17) : ((5.75 + var_1_19))))))) : 1)) && (var_1_20 == ((signed long int) var_1_19))) && (var_1_21 == ((signed char) 1))) && (var_1_22 == ((unsigned short int) 10)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=-17, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=0, var_1_20=257, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=-17, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=0, var_1_20=257, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=256, last_1_var_1_1=1, var_1_10=2, var_1_11=10, var_1_12=63, var_1_13=-53, var_1_14=0, var_1_15=-17, var_1_16=259, var_1_17=0, var_1_18=0, var_1_19=257, var_1_1=0, var_1_20=257, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 487.1s, OverallIterations: 5, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 223 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 872 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 591 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 323 IncrementalHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 281 mSDtfsCounter, 323 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 548 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=3, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 75 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 482.4s InterpolantComputationTime, 1154 NumberOfCodeBlocks, 1154 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1016 ConstructedInterpolants, 0 QuantifiedInterpolants, 3009 SizeOfPredicates, 18 NumberOfNonLiveVariables, 908 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 6485/6720 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 [2024-11-24 01:20:25,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC --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 c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:20:28,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:20:28,981 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:20:28,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:20:28,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:20:29,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:20:29,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:20:29,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:20:29,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:20:29,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:20:29,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:20:29,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:20:29,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:20:29,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:20:29,039 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:20:29,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:20:29,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:20:29,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:20:29,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:20:29,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:20:29,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:20:29,042 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:20:29,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:20:29,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:20:29,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:20:29,043 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:20:29,044 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:20:29,044 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:20:29,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:20:29,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:20:29,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:20:29,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:20:29,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:20:29,046 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_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC 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 -> c59859db1de32b14e97175c7815ca7da18f68a8dcc54297861a94ac58dd03527 [2024-11-24 01:20:29,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:20:29,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:20:29,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:20:29,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:20:29,400 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:20:29,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-24 01:20:32,698 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/b9c4a2768/c48b0e29d3b44b95acf6804b984bd71d/FLAG7245dc362 [2024-11-24 01:20:32,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:20:32,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-24 01:20:32,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/b9c4a2768/c48b0e29d3b44b95acf6804b984bd71d/FLAG7245dc362 [2024-11-24 01:20:33,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/data/b9c4a2768/c48b0e29d3b44b95acf6804b984bd71d [2024-11-24 01:20:33,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:20:33,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:20:33,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:20:33,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:20:33,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:20:33,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c54a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33, skipping insertion in model container [2024-11-24 01:20:33,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:20:33,270 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_facc4dbe-3f90-441e-a187-77acd7ee0f30/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-24 01:20:33,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:20:33,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:20:33,397 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_facc4dbe-3f90-441e-a187-77acd7ee0f30/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-72.i[916,929] [2024-11-24 01:20:33,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:20:33,474 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:20:33,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33 WrapperNode [2024-11-24 01:20:33,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:20:33,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:20:33,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:20:33,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:20:33,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,551 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-11-24 01:20:33,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:20:33,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:20:33,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:20:33,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:20:33,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,568 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,587 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]. [2024-11-24 01:20:33,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,608 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:20:33,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:20:33,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:20:33,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:20:33,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (1/1) ... [2024-11-24 01:20:33,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:20:33,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:20:33,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:20:33,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:20:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:20:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:20:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:20:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:20:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:20:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:20:33,777 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:20:33,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:20:44,322 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 01:20:44,323 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:20:44,335 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:20:44,336 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:20:44,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:20:44 BoogieIcfgContainer [2024-11-24 01:20:44,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:20:44,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:20:44,340 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:20:44,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:20:44,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:20:33" (1/3) ... [2024-11-24 01:20:44,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8635c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:20:44, skipping insertion in model container [2024-11-24 01:20:44,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:20:33" (2/3) ... [2024-11-24 01:20:44,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e8635c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:20:44, skipping insertion in model container [2024-11-24 01:20:44,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:20:44" (3/3) ... [2024-11-24 01:20:44,350 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-72.i [2024-11-24 01:20:44,366 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:20:44,368 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-72.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:20:44,464 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:20:44,484 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;@25f265bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:20:44,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:20:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:20:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:20:44,504 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:44,505 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:20:44,507 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:20:44,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:44,514 INFO L85 PathProgramCache]: Analyzing trace with hash 160648386, now seen corresponding path program 1 times [2024-11-24 01:20:44,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:20:44,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [609779682] [2024-11-24 01:20:44,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:44,530 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 [2024-11-24 01:20:44,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:20:44,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:20:44,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:20:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:44,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:20:44,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:20:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-24 01:20:45,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:20:45,041 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:20:45,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [609779682] [2024-11-24 01:20:45,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [609779682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:20:45,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:20:45,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:20:45,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102349165] [2024-11-24 01:20:45,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:20:45,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:20:45,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:20:45,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:20:45,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:20:45,073 INFO L87 Difference]: Start difference. First operand has 55 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:20:45,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:20:45,101 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-11-24 01:20:45,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:20:45,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 128 [2024-11-24 01:20:45,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:20:45,112 INFO L225 Difference]: With dead ends: 103 [2024-11-24 01:20:45,113 INFO L226 Difference]: Without dead ends: 51 [2024-11-24 01:20:45,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:20:45,121 INFO L435 NwaCegarLoop]: 75 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, 75 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 [2024-11-24 01:20:45,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:20:45,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-24 01:20:45,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-24 01:20:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:20:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 75 transitions. [2024-11-24 01:20:45,176 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 75 transitions. Word has length 128 [2024-11-24 01:20:45,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:20:45,178 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 75 transitions. [2024-11-24 01:20:45,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 01:20:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-24 01:20:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:20:45,186 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:20:45,186 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:20:45,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:20:45,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:20:45,387 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:20:45,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:20:45,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2033626948, now seen corresponding path program 1 times [2024-11-24 01:20:45,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:20:45,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179869584] [2024-11-24 01:20:45,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:20:45,389 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 [2024-11-24 01:20:45,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:20:45,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:20:45,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:20:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:20:45,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:20:45,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:20:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 330 proven. 45 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-24 01:20:46,923 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:20:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 15 proven. 45 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-24 01:20:47,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:20:47,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179869584] [2024-11-24 01:20:47,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1179869584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:20:47,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:20:47,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-24 01:20:47,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261903818] [2024-11-24 01:20:47,879 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:20:47,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:20:47,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:20:47,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:20:47,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:20:47,883 INFO L87 Difference]: Start difference. First operand 51 states and 75 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 01:20:52,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:20:56,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:21:00,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:21:00,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:21:00,835 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2024-11-24 01:21:00,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:21:00,870 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 128 [2024-11-24 01:21:00,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:21:00,872 INFO L225 Difference]: With dead ends: 107 [2024-11-24 01:21:00,872 INFO L226 Difference]: Without dead ends: 59 [2024-11-24 01:21:00,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 248 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:21:00,874 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 64 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 29 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:21:00,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 100 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 12.8s Time] [2024-11-24 01:21:00,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-24 01:21:00,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2024-11-24 01:21:00,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-24 01:21:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2024-11-24 01:21:00,893 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 128 [2024-11-24 01:21:00,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:21:00,894 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2024-11-24 01:21:00,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-24 01:21:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2024-11-24 01:21:00,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-24 01:21:00,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:21:00,897 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:21:00,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 01:21:01,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:21:01,098 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:21:01,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:21:01,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1224280322, now seen corresponding path program 1 times [2024-11-24 01:21:01,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:21:01,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140616330] [2024-11-24 01:21:01,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:01,099 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 [2024-11-24 01:21:01,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:21:01,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:21:01,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:21:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:21:01,528 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:21:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:21:01,963 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-24 01:21:01,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [104332826] [2024-11-24 01:21:01,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:21:01,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:21:01,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:21:01,966 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:21:01,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_facc4dbe-3f90-441e-a187-77acd7ee0f30/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 01:21:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:21:02,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 01:21:02,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:22:11,138 WARN L286 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:22:19,682 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:22:27,873 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:22:36,065 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:22:44,264 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:22:56,684 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:23:13,268 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:23:21,537 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:23:32,174 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:23:49,186 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:24:01,224 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:24:13,634 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:24:21,837 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:24:30,957 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:24:43,358 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:24:55,749 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:25:03,602 WARN L286 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:25:11,814 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:25:20,025 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:25:28,221 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:25:40,630 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:25:57,424 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:26:05,908 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:26:22,582 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:26:30,781 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:26:38,550 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification. DAG size of input: 11 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:26:46,760 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:26:54,984 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:27:03,577 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:27:10,403 WARN L286 SmtUtils]: Spent 6.82s on a formula simplification. DAG size of input: 10 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)