./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.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_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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_5ffa2b68-3558-4853-b236-28eff9428e6a/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 72b7effb17cf3f77db7662b0aba38c24782f5cf6d667a4af329d24c8b04c8a1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:59:47,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:59:47,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:59:47,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:59:47,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:59:47,157 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:59:47,158 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:59:47,158 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:59:47,159 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:59:47,159 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:59:47,159 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:59:47,159 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:59:47,160 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:59:47,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:59:47,160 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:59:47,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:59:47,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:59:47,160 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:59:47,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:59:47,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:59:47,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:59:47,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:59:47,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:59:47,161 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:59:47,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:59:47,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:59:47,162 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:59:47,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:59:47,162 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:59:47,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:47,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:59:47,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:47,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:47,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:59:47,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:59:47,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:59:47,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:59:47,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:47,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:59:47,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:59:47,164 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:59:47,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:59:47,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:59:47,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:59:47,164 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:59:47,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:59:47,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:59:47,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:59:47,165 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_5ffa2b68-3558-4853-b236-28eff9428e6a/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 -> 72b7effb17cf3f77db7662b0aba38c24782f5cf6d667a4af329d24c8b04c8a1f [2024-11-28 04:59:47,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:59:47,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:59:47,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:59:47,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:59:47,482 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:59:47,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i [2024-11-28 04:59:50,569 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/72fcb3c43/54598dc70f454697ba711ad2cd74c89d/FLAG09ffff78a [2024-11-28 04:59:50,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:59:50,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i [2024-11-28 04:59:50,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/72fcb3c43/54598dc70f454697ba711ad2cd74c89d/FLAG09ffff78a [2024-11-28 04:59:51,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/72fcb3c43/54598dc70f454697ba711ad2cd74c89d [2024-11-28 04:59:51,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:59:51,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:59:51,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:51,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:59:51,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:59:51,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16683066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51, skipping insertion in model container [2024-11-28 04:59:51,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,208 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:59:51,388 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_5ffa2b68-3558-4853-b236-28eff9428e6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i[914,927] [2024-11-28 04:59:51,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:51,488 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:59:51,502 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_5ffa2b68-3558-4853-b236-28eff9428e6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i[914,927] [2024-11-28 04:59:51,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:59:51,556 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:59:51,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51 WrapperNode [2024-11-28 04:59:51,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:59:51,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:51,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:59:51,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:59:51,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,616 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-28 04:59:51,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:59:51,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:59:51,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:59:51,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:59:51,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,630 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,646 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 04:59:51,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:59:51,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:59:51,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:59:51,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:59:51,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (1/1) ... [2024-11-28 04:59:51,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:59:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:51,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:59:51,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:59:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:59:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:59:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:59:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:59:51,859 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:59:51,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:59:52,234 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-28 04:59:52,234 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:59:52,251 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:59:52,251 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:59:52,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:52 BoogieIcfgContainer [2024-11-28 04:59:52,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:59:52,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:59:52,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:59:52,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:59:52,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:59:51" (1/3) ... [2024-11-28 04:59:52,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf6e818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:52, skipping insertion in model container [2024-11-28 04:59:52,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:59:51" (2/3) ... [2024-11-28 04:59:52,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf6e818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:59:52, skipping insertion in model container [2024-11-28 04:59:52,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:52" (3/3) ... [2024-11-28 04:59:52,263 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-1.i [2024-11-28 04:59:52,280 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:59:52,283 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-1.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:59:52,346 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:59:52,363 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;@7e7de3e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:59:52,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:59:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:59:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:59:52,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:52,379 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:52,379 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:52,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:52,384 INFO L85 PathProgramCache]: Analyzing trace with hash 878295959, now seen corresponding path program 1 times [2024-11-28 04:59:52,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:52,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707946466] [2024-11-28 04:59:52,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:52,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 04:59:52,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:52,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707946466] [2024-11-28 04:59:52,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707946466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:59:52,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052333077] [2024-11-28 04:59:52,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:52,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:52,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:52,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:52,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:59:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:53,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:59:53,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:59:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-11-28 04:59:53,147 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:59:53,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052333077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:53,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:59:53,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:59:53,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604919409] [2024-11-28 04:59:53,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:53,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:59:53,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:53,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:59:53,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:59:53,187 INFO L87 Difference]: Start difference. First operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:59:53,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:53,217 INFO L93 Difference]: Finished difference Result 135 states and 228 transitions. [2024-11-28 04:59:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:59:53,219 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 147 [2024-11-28 04:59:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:53,225 INFO L225 Difference]: With dead ends: 135 [2024-11-28 04:59:53,225 INFO L226 Difference]: Without dead ends: 65 [2024-11-28 04:59:53,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 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 04:59:53,231 INFO L435 NwaCegarLoop]: 100 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, 100 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 04:59:53,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:53,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-28 04:59:53,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-28 04:59:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 04:59:53,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 96 transitions. [2024-11-28 04:59:53,274 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 96 transitions. Word has length 147 [2024-11-28 04:59:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:53,275 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 96 transitions. [2024-11-28 04:59:53,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 04:59:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2024-11-28 04:59:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 04:59:53,279 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:53,279 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:53,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:59:53,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:59:53,480 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:53,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:53,480 INFO L85 PathProgramCache]: Analyzing trace with hash -393074793, now seen corresponding path program 1 times [2024-11-28 04:59:53,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:53,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909793049] [2024-11-28 04:59:53,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:53,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:59:54,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909793049] [2024-11-28 04:59:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909793049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:54,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:54,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:59:54,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469889934] [2024-11-28 04:59:54,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:54,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:59:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:54,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:59:54,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:54,343 INFO L87 Difference]: Start difference. First operand 65 states and 96 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:59:54,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:54,415 INFO L93 Difference]: Finished difference Result 189 states and 282 transitions. [2024-11-28 04:59:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:59:54,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2024-11-28 04:59:54,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:54,423 INFO L225 Difference]: With dead ends: 189 [2024-11-28 04:59:54,423 INFO L226 Difference]: Without dead ends: 127 [2024-11-28 04:59:54,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:59:54,424 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 43 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:54,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 182 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:59:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-28 04:59:54,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2024-11-28 04:59:54,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.25) internal successors, (95), 76 states have internal predecessors, (95), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:59:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 187 transitions. [2024-11-28 04:59:54,479 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 187 transitions. Word has length 147 [2024-11-28 04:59:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:54,479 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 187 transitions. [2024-11-28 04:59:54,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:59:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 187 transitions. [2024-11-28 04:59:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 04:59:54,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:54,486 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:54,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:59:54,486 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:54,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:54,487 INFO L85 PathProgramCache]: Analyzing trace with hash 754932159, now seen corresponding path program 1 times [2024-11-28 04:59:54,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:54,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332763748] [2024-11-28 04:59:54,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:54,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:54,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:59:54,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:54,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332763748] [2024-11-28 04:59:54,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332763748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:54,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:54,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:59:54,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554426402] [2024-11-28 04:59:54,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:54,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:59:54,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:54,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:59:54,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:59:54,946 INFO L87 Difference]: Start difference. First operand 125 states and 187 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:59:55,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:55,270 INFO L93 Difference]: Finished difference Result 365 states and 547 transitions. [2024-11-28 04:59:55,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:59:55,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-28 04:59:55,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:55,277 INFO L225 Difference]: With dead ends: 365 [2024-11-28 04:59:55,279 INFO L226 Difference]: Without dead ends: 243 [2024-11-28 04:59:55,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:59:55,284 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 84 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:55,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 332 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:59:55,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-11-28 04:59:55,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 133. [2024-11-28 04:59:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 84 states have (on average 1.2261904761904763) internal successors, (103), 84 states have internal predecessors, (103), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:59:55,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 195 transitions. [2024-11-28 04:59:55,355 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 195 transitions. Word has length 148 [2024-11-28 04:59:55,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:55,356 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 195 transitions. [2024-11-28 04:59:55,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:59:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2024-11-28 04:59:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 04:59:55,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:55,365 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:55,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:59:55,366 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:55,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1455996737, now seen corresponding path program 1 times [2024-11-28 04:59:55,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:55,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722305116] [2024-11-28 04:59:55,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:59:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 04:59:55,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:59:55,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722305116] [2024-11-28 04:59:55,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722305116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:59:55,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:59:55,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:59:55,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006895609] [2024-11-28 04:59:55,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:59:55,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:59:55,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:59:55,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:59:55,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:55,967 INFO L87 Difference]: Start difference. First operand 133 states and 195 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:59:56,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:59:56,270 INFO L93 Difference]: Finished difference Result 374 states and 552 transitions. [2024-11-28 04:59:56,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:59:56,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-28 04:59:56,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:59:56,277 INFO L225 Difference]: With dead ends: 374 [2024-11-28 04:59:56,277 INFO L226 Difference]: Without dead ends: 244 [2024-11-28 04:59:56,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:59:56,279 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 77 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:59:56,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 410 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:59:56,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-28 04:59:56,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 147. [2024-11-28 04:59:56,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 98 states have internal predecessors, (124), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 04:59:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2024-11-28 04:59:56,346 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 148 [2024-11-28 04:59:56,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:59:56,347 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2024-11-28 04:59:56,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 04:59:56,347 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2024-11-28 04:59:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 04:59:56,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:59:56,352 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:56,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:59:56,353 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:59:56,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:59:56,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1454149695, now seen corresponding path program 1 times [2024-11-28 04:59:56,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:59:56,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901673867] [2024-11-28 04:59:56,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:59:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:59:56,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1230175378] [2024-11-28 04:59:56,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:59:56,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:56,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:59:56,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:59:56,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:59:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:59:56,682 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:59:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:59:56,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:59:56,875 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:59:56,876 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:59:56,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:59:57,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:59:57,083 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 04:59:57,250 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:59:57,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:59:57 BoogieIcfgContainer [2024-11-28 04:59:57,255 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:59:57,256 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:59:57,256 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:59:57,256 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:59:57,257 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:59:52" (3/4) ... [2024-11-28 04:59:57,260 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:59:57,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:59:57,262 INFO L158 Benchmark]: Toolchain (without parser) took 6098.69ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 228.5MB in the end (delta: -134.7MB). Peak memory consumption was 99.6MB. Max. memory is 16.1GB. [2024-11-28 04:59:57,263 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:57,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.44ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 79.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:59:57,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.16ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:57,264 INFO L158 Benchmark]: Boogie Preprocessor took 59.65ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 72.9MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:57,264 INFO L158 Benchmark]: RCFGBuilder took 573.85ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 52.7MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:59:57,265 INFO L158 Benchmark]: TraceAbstraction took 4999.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 51.9MB in the beginning and 228.6MB in the end (delta: -176.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-28 04:59:57,265 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 352.3MB. Free memory was 228.6MB in the beginning and 228.5MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:59:57,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.44ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 79.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.16ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.65ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 72.9MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.85ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 52.7MB in the end (delta: 20.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4999.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 51.9MB in the beginning and 228.6MB in the end (delta: -176.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 352.3MB. Free memory was 228.6MB in the beginning and 228.5MB in the end (delta: 72.0kB). 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 134, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 134. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_6 = 31.5; [L24] double var_1_9 = 1000000000.25; [L25] float var_1_10 = 1.1; [L26] float var_1_11 = 8.75; [L27] float var_1_12 = 63.8; [L28] unsigned char var_1_13 = 1; [L29] float var_1_14 = 127.5; [L30] signed char var_1_15 = -2; [L31] signed char var_1_16 = 1; [L32] signed char var_1_17 = 1; [L33] signed char var_1_18 = 1; [L34] signed char var_1_19 = -2; [L35] signed char var_1_20 = 16; [L36] signed char var_1_21 = 2; [L37] signed char var_1_22 = 8; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_26 = 0; [L42] unsigned char var_1_27 = 32; VAL [isInitial=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2, var_1_9=4000000001/4] [L138] isInitial = 1 [L139] FCALL initially() [L140] int k_loop; [L141] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2, var_1_9=4000000001/4] [L141] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2, var_1_9=4000000001/4] [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L94] var_1_9 = __VERIFIER_nondet_double() [L95] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L95] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_11=35/4, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L97] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=1, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L98] var_1_13 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L99] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L100] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L100] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_14=255/2, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L101] var_1_14 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L102] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=1, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L103] var_1_16 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L104] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L105] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L105] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=1, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L106] var_1_17 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L107] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L108] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L108] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=-2, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L109] var_1_19 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_19 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L110] RET assume_abort_if_not(var_1_19 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L111] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L111] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=16, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L112] var_1_20 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L113] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L114] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L114] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=2, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L115] var_1_21 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L116] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L117] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L117] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=8, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L118] var_1_22 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L119] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L120] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L120] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L121] var_1_24 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L122] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L123] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L123] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L124] var_1_25 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L125] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_26=0, var_1_27=32, var_1_6=63/2] [L126] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L126] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=32, var_1_6=63/2] [L127] var_1_26 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L128] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L129] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L129] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=-2, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=32, var_1_6=63/2] [L143] RET updateVariables() [L144] CALL step() [L46] var_1_15 = (var_1_16 - var_1_17) [L47] var_1_27 = var_1_21 [L48] unsigned char stepLocal_1 = var_1_27; [L49] unsigned char stepLocal_0 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=64, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L50] COND TRUE (var_1_27 + var_1_27) <= stepLocal_1 [L51] var_1_1 = (128 + var_1_27) VAL [isInitial=1, stepLocal_0=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L59] COND FALSE !(var_1_27 < (var_1_27 - var_1_27)) VAL [isInitial=1, stepLocal_0=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L62] unsigned char stepLocal_2 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_2=0, var_1_10=11/10, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L63] COND FALSE !(var_1_27 > stepLocal_2) [L66] var_1_10 = 9.75f VAL [isInitial=1, stepLocal_0=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L68] COND TRUE ((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u [L69] var_1_18 = (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, stepLocal_0=0, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L71] signed long int stepLocal_5 = ~ var_1_21; VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L72] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L81] unsigned char stepLocal_4 = var_1_18 >= var_1_27; [L82] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, stepLocal_0=0, stepLocal_3=0, stepLocal_4=1, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L83] COND FALSE !(var_1_23 && stepLocal_4) VAL [isInitial=1, stepLocal_0=0, stepLocal_3=0, stepLocal_5=-1, var_1_10=39/4, var_1_12=319/5, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L86] COND TRUE 1 >= stepLocal_3 [L87] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_0=0, stepLocal_5=-1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L144] RET step() [L145] CALL, EXPR property() [L134-L135] return (((((((((var_1_27 + var_1_27) <= var_1_27) ? (var_1_1 == ((signed short int) (128 + var_1_27))) : ((var_1_27 >= (var_1_27 * var_1_27)) ? (var_1_1 == ((signed short int) var_1_27)) : (var_1_1 == ((signed short int) 1)))) && ((var_1_27 < (var_1_27 - var_1_27)) ? (var_1_6 == ((double) var_1_9)) : 1)) && ((var_1_27 > var_1_27) ? (var_1_10 == ((float) (1.00000000000009E13f - var_1_11))) : (var_1_10 == ((float) 9.75f)))) && ((var_1_23 && (var_1_18 >= var_1_27)) ? (var_1_12 == ((float) var_1_11)) : ((1 >= var_1_27) ? (var_1_12 == ((float) var_1_11)) : (var_1_12 == ((float) var_1_14))))) && (var_1_15 == ((signed char) (var_1_16 - var_1_17)))) && ((((((var_1_27) < (var_1_27)) ? (var_1_27) : (var_1_27))) < 25u) ? (var_1_18 == ((signed char) (((((var_1_19) > ((var_1_20 - var_1_21))) ? (var_1_19) : ((var_1_20 - var_1_21)))) + (((((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) < 0 ) ? -((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))) : ((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))))) : 1)) && (var_1_13 ? (((~ var_1_21) > var_1_27) ? (var_1_23 == ((unsigned char) (var_1_24 && (! var_1_25)))) : (var_1_24 ? (var_1_23 == ((unsigned char) ((! var_1_25) || var_1_26))) : 1)) : 1)) && (var_1_27 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] [L19] reach_error() VAL [isInitial=1, var_1_10=39/4, var_1_11=2, var_1_12=2, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=1, var_1_1=128, var_1_20=0, var_1_21=0, var_1_22=-1, var_1_23=0, var_1_24=1, var_1_25=0, var_1_26=1, var_1_27=0, var_1_6=63/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 204 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 1024 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 527 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 497 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=4, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 209 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 732 ConstructedInterpolants, 0 QuantifiedInterpolants, 1198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 340 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 5016/5060 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 04:59:57,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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_5ffa2b68-3558-4853-b236-28eff9428e6a/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 72b7effb17cf3f77db7662b0aba38c24782f5cf6d667a4af329d24c8b04c8a1f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:00:00,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:00:00,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 05:00:00,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:00:00,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:00:00,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:00:00,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:00:00,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:00:00,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:00:00,261 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:00:00,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:00:00,263 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:00:00,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:00:00,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:00:00,265 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:00:00,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:00:00,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:00:00,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:00:00,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:00:00,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:00:00,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:00:00,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:00:00,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:00:00,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:00:00,267 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:00:00,267 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:00:00,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:00:00,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:00:00,268 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:00:00,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:00:00,269 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:00:00,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:00:00,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:00:00,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:00:00,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:00:00,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:00:00,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:00:00,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:00:00,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:00:00,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:00:00,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:00:00,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:00:00,272 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:00:00,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:00:00,272 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:00:00,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:00:00,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:00:00,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:00:00,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:00:00,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:00:00,274 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_5ffa2b68-3558-4853-b236-28eff9428e6a/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 -> 72b7effb17cf3f77db7662b0aba38c24782f5cf6d667a4af329d24c8b04c8a1f [2024-11-28 05:00:00,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:00:00,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:00:00,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:00:00,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:00:00,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:00:00,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i [2024-11-28 05:00:03,734 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/1626ab221/fc9207d3b9c44391ad98809f70b44c5b/FLAGe73c06466 [2024-11-28 05:00:04,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:00:04,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i [2024-11-28 05:00:04,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/1626ab221/fc9207d3b9c44391ad98809f70b44c5b/FLAGe73c06466 [2024-11-28 05:00:04,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/data/1626ab221/fc9207d3b9c44391ad98809f70b44c5b [2024-11-28 05:00:04,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:00:04,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:00:04,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:00:04,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:00:04,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:00:04,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fd1ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04, skipping insertion in model container [2024-11-28 05:00:04,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:00:04,542 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_5ffa2b68-3558-4853-b236-28eff9428e6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i[914,927] [2024-11-28 05:00:04,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:00:04,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:00:04,671 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_5ffa2b68-3558-4853-b236-28eff9428e6a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-1.i[914,927] [2024-11-28 05:00:04,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:00:04,767 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:00:04,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04 WrapperNode [2024-11-28 05:00:04,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:00:04,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:00:04,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:00:04,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:00:04,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,842 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-28 05:00:04,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:00:04,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:00:04,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:00:04,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:00:04,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,892 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 05:00:04,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,901 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:00:04,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:00:04,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:00:04,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:00:04,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (1/1) ... [2024-11-28 05:00:04,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:00:04,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:00:04,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:00:04,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:00:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:00:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:00:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 05:00:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 05:00:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:00:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:00:05,068 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:00:05,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:00:05,520 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-28 05:00:05,520 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:00:05,534 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:00:05,534 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:00:05,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:00:05 BoogieIcfgContainer [2024-11-28 05:00:05,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:00:05,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:00:05,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:00:05,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:00:05,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:00:04" (1/3) ... [2024-11-28 05:00:05,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e7ec0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:00:05, skipping insertion in model container [2024-11-28 05:00:05,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:00:04" (2/3) ... [2024-11-28 05:00:05,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e7ec0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:00:05, skipping insertion in model container [2024-11-28 05:00:05,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:00:05" (3/3) ... [2024-11-28 05:00:05,546 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-1.i [2024-11-28 05:00:05,566 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:00:05,567 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-1.i that has 2 procedures, 69 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:00:05,630 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:00:05,645 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;@953df48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:00:05,645 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:00:05,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 05:00:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 05:00:05,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:05,669 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:05,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:05,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:05,676 INFO L85 PathProgramCache]: Analyzing trace with hash 878295959, now seen corresponding path program 1 times [2024-11-28 05:00:05,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:00:05,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317776581] [2024-11-28 05:00:05,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:05,689 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 05:00:05,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:00:05,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:05,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:06,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 05:00:06,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-28 05:00:06,156 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:00:06,156 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:00:06,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317776581] [2024-11-28 05:00:06,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317776581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:06,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:06,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:00:06,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30528423] [2024-11-28 05:00:06,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:06,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:00:06,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:00:06,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:00:06,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:00:06,193 INFO L87 Difference]: Start difference. First operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 05:00:06,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:06,229 INFO L93 Difference]: Finished difference Result 135 states and 228 transitions. [2024-11-28 05:00:06,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:00:06,232 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 147 [2024-11-28 05:00:06,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:06,241 INFO L225 Difference]: With dead ends: 135 [2024-11-28 05:00:06,241 INFO L226 Difference]: Without dead ends: 65 [2024-11-28 05:00:06,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 05:00:06,247 INFO L435 NwaCegarLoop]: 100 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, 100 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 05:00:06,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:00:06,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-28 05:00:06,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-28 05:00:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 05:00:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 96 transitions. [2024-11-28 05:00:06,295 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 96 transitions. Word has length 147 [2024-11-28 05:00:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:06,295 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 96 transitions. [2024-11-28 05:00:06,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 05:00:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2024-11-28 05:00:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 05:00:06,301 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:06,301 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:06,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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)] Forceful destruction successful, exit code 0 [2024-11-28 05:00:06,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:06,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:06,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:06,506 INFO L85 PathProgramCache]: Analyzing trace with hash -393074793, now seen corresponding path program 1 times [2024-11-28 05:00:06,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:00:06,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105544602] [2024-11-28 05:00:06,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:06,507 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 05:00:06,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:00:06,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:06,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:06,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:00:06,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-28 05:00:07,552 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:00:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 05:00:07,802 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:00:07,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105544602] [2024-11-28 05:00:07,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [105544602] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:07,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:00:07,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-11-28 05:00:07,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104381936] [2024-11-28 05:00:07,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:07,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:00:07,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:00:07,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:00:07,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:00:07,809 INFO L87 Difference]: Start difference. First operand 65 states and 96 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:00:07,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:07,917 INFO L93 Difference]: Finished difference Result 127 states and 189 transitions. [2024-11-28 05:00:07,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:00:07,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2024-11-28 05:00:07,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:07,923 INFO L225 Difference]: With dead ends: 127 [2024-11-28 05:00:07,923 INFO L226 Difference]: Without dead ends: 65 [2024-11-28 05:00:07,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-28 05:00:07,925 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:07,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:00:07,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-28 05:00:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-28 05:00:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-28 05:00:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 95 transitions. [2024-11-28 05:00:07,939 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 95 transitions. Word has length 147 [2024-11-28 05:00:07,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:07,941 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 95 transitions. [2024-11-28 05:00:07,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:00:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2024-11-28 05:00:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 05:00:07,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:07,944 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:07,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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)] Forceful destruction successful, exit code 0 [2024-11-28 05:00:08,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:08,148 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:08,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:08,149 INFO L85 PathProgramCache]: Analyzing trace with hash -786101803, now seen corresponding path program 1 times [2024-11-28 05:00:08,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:00:08,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244405872] [2024-11-28 05:00:08,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:08,150 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 05:00:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:00:08,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:08,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:08,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 05:00:08,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:08,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 05:00:08,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:00:08,912 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:00:08,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244405872] [2024-11-28 05:00:08,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244405872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:00:08,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:00:08,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:00:08,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305114699] [2024-11-28 05:00:08,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:08,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:00:08,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:00:08,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:00:08,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:00:08,915 INFO L87 Difference]: Start difference. First operand 65 states and 95 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:00:08,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:08,978 INFO L93 Difference]: Finished difference Result 189 states and 279 transitions. [2024-11-28 05:00:08,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:00:08,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2024-11-28 05:00:08,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:08,983 INFO L225 Difference]: With dead ends: 189 [2024-11-28 05:00:08,983 INFO L226 Difference]: Without dead ends: 127 [2024-11-28 05:00:08,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:00:08,985 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 16 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:08,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 180 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:00:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-28 05:00:09,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 125. [2024-11-28 05:00:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 76 states have (on average 1.2236842105263157) internal successors, (93), 76 states have internal predecessors, (93), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 05:00:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2024-11-28 05:00:09,028 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 147 [2024-11-28 05:00:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:09,029 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2024-11-28 05:00:09,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:00:09,029 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2024-11-28 05:00:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 05:00:09,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:09,035 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:09,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:09,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:09,236 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:09,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:09,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1455996737, now seen corresponding path program 1 times [2024-11-28 05:00:09,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:00:09,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725151980] [2024-11-28 05:00:09,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:09,239 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 05:00:09,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:00:09,241 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:09,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:09,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 05:00:09,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:00:10,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 527 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2024-11-28 05:00:10,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:00:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-28 05:00:10,900 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:00:10,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725151980] [2024-11-28 05:00:10,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725151980] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 05:00:10,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 05:00:10,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2024-11-28 05:00:10,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221155840] [2024-11-28 05:00:10,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:00:10,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:00:10,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:00:10,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:00:10,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 05:00:10,907 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:00:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:00:11,601 INFO L93 Difference]: Finished difference Result 476 states and 706 transitions. [2024-11-28 05:00:11,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:00:11,602 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2024-11-28 05:00:11,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:00:11,607 INFO L225 Difference]: With dead ends: 476 [2024-11-28 05:00:11,608 INFO L226 Difference]: Without dead ends: 354 [2024-11-28 05:00:11,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-28 05:00:11,611 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 204 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 05:00:11,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 405 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 05:00:11,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-28 05:00:11,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 147. [2024-11-28 05:00:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 98 states have (on average 1.2653061224489797) internal successors, (124), 98 states have internal predecessors, (124), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-28 05:00:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 216 transitions. [2024-11-28 05:00:11,697 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 216 transitions. Word has length 148 [2024-11-28 05:00:11,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:00:11,703 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 216 transitions. [2024-11-28 05:00:11,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-28 05:00:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2024-11-28 05:00:11,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-28 05:00:11,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:00:11,706 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:00:11,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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)] Ended with exit code 0 [2024-11-28 05:00:11,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:11,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:00:11,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:00:11,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1454149695, now seen corresponding path program 1 times [2024-11-28 05:00:11,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:00:11,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350932435] [2024-11-28 05:00:11,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:00:11,913 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 05:00:11,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 05:00:11,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 05:00:11,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffa2b68-3558-4853-b236-28eff9428e6a/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 (6)] Waiting until timeout for monitored process [2024-11-28 05:00:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:00:12,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-28 05:00:12,195 INFO L279 TraceCheckSpWp]: Computing forward predicates...