./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:47:38,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:47:38,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:47:38,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:47:38,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:47:38,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:47:38,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:47:38,693 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:47:38,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:47:38,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:47:38,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:47:38,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:47:38,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:47:38,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:47:38,695 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:47:38,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:47:38,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:47:38,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:47:38,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:47:38,697 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:47:38,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:47:38,697 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:47:38,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:47:38,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:47:38,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:47:38,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:38,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:47:38,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:47:38,698 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:47:38,698 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:47:38,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:38,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:47:38,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:47:38,699 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:47:38,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:47:38,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:47:38,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:47:38,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:47:38,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:47:38,700 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:47:38,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:47:38,700 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_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf [2024-11-28 04:47:39,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:47:39,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:47:39,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:47:39,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:47:39,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:47:39,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-28 04:47:42,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/11c92cf8d/51711c04c5d843b8abda682fedd2a75d/FLAG9b3cc49d7 [2024-11-28 04:47:42,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:47:42,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-28 04:47:42,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/11c92cf8d/51711c04c5d843b8abda682fedd2a75d/FLAG9b3cc49d7 [2024-11-28 04:47:42,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/11c92cf8d/51711c04c5d843b8abda682fedd2a75d [2024-11-28 04:47:42,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:47:42,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:47:42,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:47:42,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:47:42,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:47:42,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:42" (1/1) ... [2024-11-28 04:47:42,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e25263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:42, skipping insertion in model container [2024-11-28 04:47:42,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:42" (1/1) ... [2024-11-28 04:47:42,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:47:42,828 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_5f73540b-c39e-46b5-857f-85ccf098a90b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-28 04:47:42,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:47:42,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:47:42,954 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_5f73540b-c39e-46b5-857f-85ccf098a90b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-28 04:47:43,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:47:43,038 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:47:43,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43 WrapperNode [2024-11-28 04:47:43,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:47:43,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:47:43,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:47:43,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:47:43,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,117 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-28 04:47:43,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:47:43,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:47:43,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:47:43,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:47:43,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,157 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]. [2024-11-28 04:47:43,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:47:43,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:47:43,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:47:43,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:47:43,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (1/1) ... [2024-11-28 04:47:43,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:43,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:43,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:47:43,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:47:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:47:43,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:47:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:47:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:47:43,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:47:43,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:47:43,387 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:47:43,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:47:43,780 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 04:47:43,780 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:47:43,796 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:47:43,797 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:47:43,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:43 BoogieIcfgContainer [2024-11-28 04:47:43,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:47:43,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:47:43,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:47:43,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:47:43,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:47:42" (1/3) ... [2024-11-28 04:47:43,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e60da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:47:43, skipping insertion in model container [2024-11-28 04:47:43,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:43" (2/3) ... [2024-11-28 04:47:43,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e60da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:47:43, skipping insertion in model container [2024-11-28 04:47:43,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:43" (3/3) ... [2024-11-28 04:47:43,810 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-14.i [2024-11-28 04:47:43,829 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:47:43,833 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-14.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:47:43,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:47:43,939 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;@3e32b665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:47:43,939 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:47:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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) [2024-11-28 04:47:43,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:47:43,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:43,960 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, 1, 1] [2024-11-28 04:47:43,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:47:43,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:43,967 INFO L85 PathProgramCache]: Analyzing trace with hash 173013582, now seen corresponding path program 1 times [2024-11-28 04:47:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:43,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261671998] [2024-11-28 04:47:43,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:43,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-28 04:47:44,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:44,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261671998] [2024-11-28 04:47:44,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261671998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:44,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129588361] [2024-11-28 04:47:44,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:44,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:44,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:44,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:44,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:47:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:44,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:47:44,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:44,733 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-11-28 04:47:44,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:47:44,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129588361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:44,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:47:44,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:47:44,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690734405] [2024-11-28 04:47:44,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:44,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:47:44,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:44,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:47:44,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:47:44,764 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-28 04:47:44,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:44,790 INFO L93 Difference]: Finished difference Result 109 states and 187 transitions. [2024-11-28 04:47:44,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:47:44,792 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (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 131 [2024-11-28 04:47:44,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:44,799 INFO L225 Difference]: With dead ends: 109 [2024-11-28 04:47:44,799 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 04:47:44,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:47:44,805 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-11-28 04:47:44,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:47:44,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 04:47:44,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 04:47:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2024-11-28 04:47:44,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-28 04:47:44,850 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 131 [2024-11-28 04:47:44,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:44,851 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-28 04:47:44,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (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) [2024-11-28 04:47:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-28 04:47:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:47:44,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:44,856 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, 1, 1] [2024-11-28 04:47:44,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:47:45,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:47:45,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:47:45,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:45,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1923071244, now seen corresponding path program 1 times [2024-11-28 04:47:45,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:45,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52647244] [2024-11-28 04:47:45,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:45,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 04:47:45,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:45,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52647244] [2024-11-28 04:47:45,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52647244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:47:45,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:47:45,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:47:45,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132330296] [2024-11-28 04:47:45,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:47:45,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:47:45,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:45,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:47:45,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:47:45,873 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-28 04:47:46,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:46,182 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2024-11-28 04:47:46,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:47:46,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 131 [2024-11-28 04:47:46,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:46,187 INFO L225 Difference]: With dead ends: 157 [2024-11-28 04:47:46,188 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 04:47:46,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:47:46,191 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 43 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:46,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 217 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:47:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 04:47:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 94. [2024-11-28 04:47:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 states have internal predecessors, (55), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 04:47:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 139 transitions. [2024-11-28 04:47:46,242 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 139 transitions. Word has length 131 [2024-11-28 04:47:46,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:46,243 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 139 transitions. [2024-11-28 04:47:46,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-11-28 04:47:46,243 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2024-11-28 04:47:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:47:46,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:46,248 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, 1, 1] [2024-11-28 04:47:46,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:47:46,249 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:47:46,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1691837682, now seen corresponding path program 1 times [2024-11-28 04:47:46,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:46,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633312721] [2024-11-28 04:47:46,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:46,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 04:47:47,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:47:47,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633312721] [2024-11-28 04:47:47,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633312721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:47:47,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868532649] [2024-11-28 04:47:47,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:47,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:47:47,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:47,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:47:47,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:47:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:47:47,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:47:47,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:47:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-28 04:47:47,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:47:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 04:47:48,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868532649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:47:48,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:47:48,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2024-11-28 04:47:48,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484932501] [2024-11-28 04:47:48,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:47:48,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:47:48,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:47:48,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:47:48,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:47:48,055 INFO L87 Difference]: Start difference. First operand 94 states and 139 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 04:47:48,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:47:48,452 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-28 04:47:48,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:47:48,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 131 [2024-11-28 04:47:48,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:47:48,458 INFO L225 Difference]: With dead ends: 157 [2024-11-28 04:47:48,458 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 04:47:48,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:47:48,459 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 83 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:47:48,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 131 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:47:48,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 04:47:48,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-28 04:47:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 55 states have internal predecessors, (60), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 04:47:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2024-11-28 04:47:48,486 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 131 [2024-11-28 04:47:48,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:47:48,487 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2024-11-28 04:47:48,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 04:47:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-28 04:47:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:47:48,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:47:48,490 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, 1, 1] [2024-11-28 04:47:48,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:47:48,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-28 04:47:48,694 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:47:48,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:47:48,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1689990640, now seen corresponding path program 1 times [2024-11-28 04:47:48,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:47:48,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772015894] [2024-11-28 04:47:48,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:47:48,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:47:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:47:48,823 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:47:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:47:49,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:47:49,011 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:47:49,012 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:47:49,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:47:49,017 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 04:47:49,142 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:47:49,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:47:49 BoogieIcfgContainer [2024-11-28 04:47:49,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:47:49,148 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:47:49,148 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:47:49,149 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:47:49,149 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:47:43" (3/4) ... [2024-11-28 04:47:49,152 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:47:49,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:47:49,154 INFO L158 Benchmark]: Toolchain (without parser) took 6552.33ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.7MB in the beginning and 87.3MB in the end (delta: 5.4MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-28 04:47:49,155 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:49,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.15ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:47:49,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.19ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:49,157 INFO L158 Benchmark]: Boogie Preprocessor took 66.58ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:49,158 INFO L158 Benchmark]: RCFGBuilder took 612.09ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 56.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:47:49,159 INFO L158 Benchmark]: TraceAbstraction took 5347.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.9MB in the beginning and 87.4MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:49,160 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:47:49,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.15ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.4MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.19ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.58ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 612.09ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 56.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5347.37ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 55.9MB in the beginning and 87.4MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed short int var_1_5 = -64; [L26] signed short int var_1_6 = -64; [L27] signed short int var_1_7 = 10; [L28] signed short int var_1_8 = 8; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] unsigned short int var_1_12 = 2; [L33] float var_1_13 = 32.25; [L34] float var_1_14 = 15.5; [L35] float var_1_15 = 256.25; [L36] double var_1_16 = 8.6; [L37] unsigned short int var_1_17 = 57581; [L38] unsigned char last_1_var_1_9 = 0; VAL [isInitial=0, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=0, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L109] isInitial = 1 [L110] FCALL initially() [L112] CALL updateLastVariables() [L102] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=0, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L73] var_1_6 = __VERIFIER_nondet_short() [L74] CALL assume_abort_if_not(var_1_6 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 >= -32767) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L75] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L76] var_1_7 = __VERIFIER_nondet_short() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L79] var_1_8 = __VERIFIER_nondet_short() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L81] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L88] var_1_13 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L89] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L90] var_1_14 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L91] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L92] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L93] var_1_15 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L94] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L96] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L97] var_1_17 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L98] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L99] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L113] RET updateVariables() [L114] CALL step() [L42] COND FALSE !(\read(last_1_var_1_9)) [L45] var_1_5 = ((var_1_7 + 16) - var_1_8) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L47] COND FALSE !((var_1_13 / var_1_14) <= var_1_15) [L54] var_1_12 = var_1_8 VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L56] COND TRUE ((var_1_5 >= var_1_12) && var_1_2) && var_1_3 [L57] var_1_9 = (! var_1_10) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L61] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_9=0, stepLocal_0=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L62] COND FALSE !(stepLocal_0 && var_1_9) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return ((((var_1_9 && var_1_9) ? (var_1_1 == ((signed long int) var_1_5)) : 1) && (last_1_var_1_9 ? (var_1_5 == ((signed short int) var_1_6)) : (var_1_5 == ((signed short int) ((var_1_7 + 16) - var_1_8))))) && ((((var_1_5 >= var_1_12) && var_1_2) && var_1_3) ? (var_1_9 == ((unsigned char) (! var_1_10))) : (var_1_9 == ((unsigned char) (! (var_1_11 || var_1_10)))))) && (((var_1_13 / var_1_14) <= var_1_15) ? (((var_1_16 - 2.3) > var_1_14) ? (var_1_12 == ((unsigned short int) (var_1_17 - var_1_7))) : (var_1_12 == ((unsigned short int) ((((var_1_7) > (((((var_1_17 - var_1_8) < 0 ) ? -(var_1_17 - var_1_8) : (var_1_17 - var_1_8))))) ? (var_1_7) : (((((var_1_17 - var_1_8) < 0 ) ? -(var_1_17 - var_1_8) : (var_1_17 - var_1_8))))))))) : (var_1_12 == ((unsigned short int) var_1_8))) ; VAL [\result=0, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 4, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 427 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 223 mSDsCounter, 92 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 92 mSolverCounterUnsat, 204 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 394 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 786 NumberOfCodeBlocks, 786 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 780 ConstructedInterpolants, 0 QuantifiedInterpolants, 1333 SizeOfPredicates, 1 NumberOfNonLiveVariables, 595 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 4910/5040 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 [2024-11-28 04:47:49,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:47:52,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:47:52,353 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:47:52,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:47:52,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:47:52,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:47:52,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:47:52,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:47:52,414 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:47:52,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:47:52,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:47:52,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:47:52,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:47:52,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:47:52,415 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:47:52,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:47:52,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:47:52,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:47:52,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:47:52,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:47:52,417 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:47:52,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:47:52,417 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:47:52,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:47:52,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:47:52,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:47:52,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:52,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:47:52,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:47:52,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:47:52,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:47:52,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:52,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:47:52,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:47:52,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:47:52,420 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_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3bccbd47f020014aaa87680c2199640dac67db437f4e10374d3a460fe0987cf [2024-11-28 04:47:52,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:47:52,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:47:52,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:47:52,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:47:52,752 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:47:52,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-28 04:47:55,923 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/6c55abee9/bbba8f428c5140638d47427b0a1f2113/FLAG74081fd0c [2024-11-28 04:47:56,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:47:56,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i [2024-11-28 04:47:56,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/6c55abee9/bbba8f428c5140638d47427b0a1f2113/FLAG74081fd0c [2024-11-28 04:47:56,510 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/data/6c55abee9/bbba8f428c5140638d47427b0a1f2113 [2024-11-28 04:47:56,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:47:56,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:47:56,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:47:56,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:47:56,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:47:56,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:56,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a75b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56, skipping insertion in model container [2024-11-28 04:47:56,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:56,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:47:56,763 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_5f73540b-c39e-46b5-857f-85ccf098a90b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-28 04:47:56,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:47:56,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:47:56,851 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_5f73540b-c39e-46b5-857f-85ccf098a90b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-14.i[913,926] [2024-11-28 04:47:56,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:47:56,935 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:47:56,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56 WrapperNode [2024-11-28 04:47:56,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:47:56,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:47:56,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:47:56,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:47:56,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:56,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,011 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-28 04:47:57,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:47:57,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:47:57,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:47:57,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:47:57,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,034 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,058 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]. [2024-11-28 04:47:57,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,058 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,070 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:47:57,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:47:57,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:47:57,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:47:57,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (1/1) ... [2024-11-28 04:47:57,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:47:57,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:47:57,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:47:57,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:47:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:47:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:47:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:47:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:47:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:47:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:47:57,253 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:47:57,255 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:48:01,636 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 04:48:01,636 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:48:01,649 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:48:01,649 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:48:01,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:01 BoogieIcfgContainer [2024-11-28 04:48:01,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:48:01,653 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:48:01,653 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:48:01,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:48:01,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:47:56" (1/3) ... [2024-11-28 04:48:01,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2076e6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:01, skipping insertion in model container [2024-11-28 04:48:01,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:47:56" (2/3) ... [2024-11-28 04:48:01,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2076e6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:01, skipping insertion in model container [2024-11-28 04:48:01,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:01" (3/3) ... [2024-11-28 04:48:01,662 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-14.i [2024-11-28 04:48:01,679 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:48:01,681 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-14.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:48:01,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:48:01,775 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;@75ac3021, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:48:01,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:48:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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) [2024-11-28 04:48:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:48:01,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:01,795 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, 1, 1] [2024-11-28 04:48:01,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:01,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:01,802 INFO L85 PathProgramCache]: Analyzing trace with hash 173013582, now seen corresponding path program 1 times [2024-11-28 04:48:01,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:01,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541529170] [2024-11-28 04:48:01,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:01,816 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 [2024-11-28 04:48:01,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:01,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:48:01,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:48:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:02,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:48:02,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-28 04:48:02,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:02,365 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:02,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541529170] [2024-11-28 04:48:02,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541529170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:02,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:02,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:48:02,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733226285] [2024-11-28 04:48:02,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:02,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:48:02,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:02,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:48:02,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:02,397 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 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 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-28 04:48:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:02,430 INFO L93 Difference]: Finished difference Result 109 states and 187 transitions. [2024-11-28 04:48:02,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:48:02,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 131 [2024-11-28 04:48:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:02,438 INFO L225 Difference]: With dead ends: 109 [2024-11-28 04:48:02,439 INFO L226 Difference]: Without dead ends: 54 [2024-11-28 04:48:02,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:02,445 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-11-28 04:48:02,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:48:02,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-28 04:48:02,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-28 04:48:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 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) [2024-11-28 04:48:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-28 04:48:02,491 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 131 [2024-11-28 04:48:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:02,492 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-28 04:48:02,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2024-11-28 04:48:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-28 04:48:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:48:02,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:02,497 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, 1, 1] [2024-11-28 04:48:02,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:48:02,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:48:02,698 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:02,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:02,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1923071244, now seen corresponding path program 1 times [2024-11-28 04:48:02,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:02,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798607841] [2024-11-28 04:48:02,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:02,701 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 [2024-11-28 04:48:02,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:02,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:48:02,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:48:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:03,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:48:03,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-28 04:48:04,324 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:04,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:04,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798607841] [2024-11-28 04:48:04,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798607841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:04,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:04,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:48:04,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309790852] [2024-11-28 04:48:04,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:04,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:48:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:04,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:48:04,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:48:04,332 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-28 04:48:07,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:48:08,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:48:08,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:08,588 INFO L93 Difference]: Finished difference Result 160 states and 238 transitions. [2024-11-28 04:48:08,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:48:08,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 131 [2024-11-28 04:48:08,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:08,614 INFO L225 Difference]: With dead ends: 160 [2024-11-28 04:48:08,614 INFO L226 Difference]: Without dead ends: 109 [2024-11-28 04:48:08,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:48:08,616 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 46 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:08,616 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 221 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 04:48:08,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-28 04:48:08,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2024-11-28 04:48:08,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 states have internal predecessors, (55), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 04:48:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 139 transitions. [2024-11-28 04:48:08,648 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 139 transitions. Word has length 131 [2024-11-28 04:48:08,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:08,649 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 139 transitions. [2024-11-28 04:48:08,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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) [2024-11-28 04:48:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2024-11-28 04:48:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:48:08,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:08,655 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, 1, 1] [2024-11-28 04:48:08,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:48:08,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:48:08,856 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:08,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:08,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1691837682, now seen corresponding path program 1 times [2024-11-28 04:48:08,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:08,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523821714] [2024-11-28 04:48:08,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:08,858 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 [2024-11-28 04:48:08,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:08,861 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:48:08,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 04:48:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:09,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:48:09,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-28 04:48:10,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:10,824 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-28 04:48:10,824 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:10,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523821714] [2024-11-28 04:48:10,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523821714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:48:10,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:48:10,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-28 04:48:10,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976473801] [2024-11-28 04:48:10,825 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:48:10,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:48:10,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:10,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:48:10,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:48:10,828 INFO L87 Difference]: Start difference. First operand 94 states and 139 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 04:48:14,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:48:14,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:14,717 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-28 04:48:14,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:48:14,753 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 131 [2024-11-28 04:48:14,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:14,756 INFO L225 Difference]: With dead ends: 157 [2024-11-28 04:48:14,756 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 04:48:14,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:48:14,761 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 105 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:14,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 103 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-28 04:48:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 04:48:14,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-28 04:48:14,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 55 states have internal predecessors, (60), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-28 04:48:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2024-11-28 04:48:14,807 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 131 [2024-11-28 04:48:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:14,808 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2024-11-28 04:48:14,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-28 04:48:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-28 04:48:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:48:14,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:14,811 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, 1, 1] [2024-11-28 04:48:14,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-28 04:48:15,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:48:15,012 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:15,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:15,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1689990640, now seen corresponding path program 1 times [2024-11-28 04:48:15,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:15,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204791147] [2024-11-28 04:48:15,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:15,013 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 [2024-11-28 04:48:15,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:15,019 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:48:15,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f73540b-c39e-46b5-857f-85ccf098a90b/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 04:48:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:15,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:48:15,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:34,821 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:48:55,259 WARN L286 SmtUtils]: Spent 7.63s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 05:01:06,997 WARN L286 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 181 DAG size of output: 177 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)