./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.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_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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_43bcb316-4e8c-4aa7-9a11-91a28788a096/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 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:48:19,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:48:19,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:48:19,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:48:19,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:48:19,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:48:19,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:48:19,359 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:48:19,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:48:19,359 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:48:19,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:48:19,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:48:19,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:48:19,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:48:19,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:48:19,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:48:19,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:48:19,361 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:48:19,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:48:19,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:48:19,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:48:19,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:48:19,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:48:19,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:48:19,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:48:19,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:48:19,363 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:48:19,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:48:19,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:48:19,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:19,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:19,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:19,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:19,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:48:19,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:19,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:19,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:19,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:19,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:48:19,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:48:19,365 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:48:19,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:48:19,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:48:19,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:48:19,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:48:19,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:48:19,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:48:19,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:48:19,366 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_43bcb316-4e8c-4aa7-9a11-91a28788a096/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 -> 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 [2024-11-28 04:48:19,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:48:19,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:48:19,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:48:19,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:48:19,746 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:48:19,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2024-11-28 04:48:23,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/331890458/ab870dfc7d1a46a6be562ba95c1e93a8/FLAGbd9d060e9 [2024-11-28 04:48:23,569 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:48:23,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2024-11-28 04:48:23,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/331890458/ab870dfc7d1a46a6be562ba95c1e93a8/FLAGbd9d060e9 [2024-11-28 04:48:23,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/331890458/ab870dfc7d1a46a6be562ba95c1e93a8 [2024-11-28 04:48:23,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:48:23,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:48:23,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:23,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:48:23,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:48:23,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:23" (1/1) ... [2024-11-28 04:48:23,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c85d3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:23, skipping insertion in model container [2024-11-28 04:48:23,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:23" (1/1) ... [2024-11-28 04:48:23,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:48:23,884 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_43bcb316-4e8c-4aa7-9a11-91a28788a096/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2024-11-28 04:48:23,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:23,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:48:23,998 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_43bcb316-4e8c-4aa7-9a11-91a28788a096/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2024-11-28 04:48:24,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:24,089 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:48:24,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24 WrapperNode [2024-11-28 04:48:24,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:24,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:24,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:48:24,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:48:24,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,156 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2024-11-28 04:48:24,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:24,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:48:24,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:48:24,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:48:24,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,198 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 04:48:24,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:48:24,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:48:24,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:48:24,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:48:24,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (1/1) ... [2024-11-28 04:48:24,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:24,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:24,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:24,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:48:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:48:24,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:48:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:48:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:48:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:48:24,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:48:24,438 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:48:24,441 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:48:24,899 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 04:48:24,899 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:48:24,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:48:24,916 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:48:24,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:24 BoogieIcfgContainer [2024-11-28 04:48:24,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:48:24,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:48:24,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:48:24,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:48:24,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:48:23" (1/3) ... [2024-11-28 04:48:24,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7397ce9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:24, skipping insertion in model container [2024-11-28 04:48:24,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:24" (2/3) ... [2024-11-28 04:48:24,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7397ce9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:24, skipping insertion in model container [2024-11-28 04:48:24,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:24" (3/3) ... [2024-11-28 04:48:24,930 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-51.i [2024-11-28 04:48:24,949 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:48:24,950 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-51.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:48:25,038 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:48:25,054 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;@5abc645, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:48:25,057 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:48:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 49 states have internal predecessors, (65), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 04:48:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-28 04:48:25,080 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:25,083 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:25,083 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:25,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:25,089 INFO L85 PathProgramCache]: Analyzing trace with hash 716270673, now seen corresponding path program 1 times [2024-11-28 04:48:25,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:25,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649041088] [2024-11-28 04:48:25,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:25,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 1682 trivial. 0 not checked. [2024-11-28 04:48:25,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:25,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649041088] [2024-11-28 04:48:25,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649041088] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:25,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216003441] [2024-11-28 04:48:25,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:25,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:25,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:25,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:48:25,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:48:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:25,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:48:25,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 1682 trivial. 0 not checked. [2024-11-28 04:48:25,878 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:25,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216003441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:25,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:48:25,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:48:25,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120455606] [2024-11-28 04:48:25,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:25,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:48:25,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:25,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:48:25,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:25,915 INFO L87 Difference]: Start difference. First operand has 81 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 49 states have internal predecessors, (65), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 04:48:25,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:25,955 INFO L93 Difference]: Finished difference Result 155 states and 274 transitions. [2024-11-28 04:48:25,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:48:25,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 185 [2024-11-28 04:48:25,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:25,968 INFO L225 Difference]: With dead ends: 155 [2024-11-28 04:48:25,968 INFO L226 Difference]: Without dead ends: 77 [2024-11-28 04:48:25,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:25,979 INFO L435 NwaCegarLoop]: 118 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, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:25,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:48:25,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-28 04:48:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-28 04:48:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 04:48:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 118 transitions. [2024-11-28 04:48:26,031 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 118 transitions. Word has length 185 [2024-11-28 04:48:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:26,032 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 118 transitions. [2024-11-28 04:48:26,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 04:48:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2024-11-28 04:48:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-28 04:48:26,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:26,036 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:26,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:48:26,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:48:26,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:26,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:26,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1809791369, now seen corresponding path program 1 times [2024-11-28 04:48:26,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:26,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077466191] [2024-11-28 04:48:26,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:26,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-28 04:48:26,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:26,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077466191] [2024-11-28 04:48:26,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077466191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:26,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:26,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:48:26,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171604680] [2024-11-28 04:48:26,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:26,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:48:26,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:26,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:48:26,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:48:26,707 INFO L87 Difference]: Start difference. First operand 77 states and 118 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-28 04:48:26,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:26,800 INFO L93 Difference]: Finished difference Result 198 states and 302 transitions. [2024-11-28 04:48:26,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:48:26,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 185 [2024-11-28 04:48:26,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:26,807 INFO L225 Difference]: With dead ends: 198 [2024-11-28 04:48:26,810 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 04:48:26,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:48:26,813 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 67 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:26,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 224 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:48:26,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 04:48:26,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2024-11-28 04:48:26,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 71 states have (on average 1.267605633802817) internal successors, (90), 72 states have internal predecessors, (90), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 04:48:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 184 transitions. [2024-11-28 04:48:26,875 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 184 transitions. Word has length 185 [2024-11-28 04:48:26,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:26,876 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 184 transitions. [2024-11-28 04:48:26,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-28 04:48:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 184 transitions. [2024-11-28 04:48:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 04:48:26,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:26,887 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:26,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:48:26,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:26,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:26,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1100180633, now seen corresponding path program 1 times [2024-11-28 04:48:26,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:26,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513285825] [2024-11-28 04:48:26,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:26,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:27,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-28 04:48:27,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:27,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513285825] [2024-11-28 04:48:27,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513285825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:27,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876385607] [2024-11-28 04:48:27,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:27,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:27,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:27,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:48:27,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:48:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:28,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:48:28,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:28,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-28 04:48:28,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-28 04:48:28,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876385607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:48:28,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:48:28,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 04:48:28,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326989597] [2024-11-28 04:48:28,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:48:28,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:48:28,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:28,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:48:28,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:48:28,849 INFO L87 Difference]: Start difference. First operand 121 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2024-11-28 04:48:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:29,206 INFO L93 Difference]: Finished difference Result 251 states and 375 transitions. [2024-11-28 04:48:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:48:29,207 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 186 [2024-11-28 04:48:29,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:29,214 INFO L225 Difference]: With dead ends: 251 [2024-11-28 04:48:29,215 INFO L226 Difference]: Without dead ends: 133 [2024-11-28 04:48:29,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:48:29,216 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 53 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:29,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 180 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:48:29,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-28 04:48:29,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2024-11-28 04:48:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 78 states have internal predecessors, (94), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 04:48:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 188 transitions. [2024-11-28 04:48:29,268 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 188 transitions. Word has length 186 [2024-11-28 04:48:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:29,269 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 188 transitions. [2024-11-28 04:48:29,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 3 states have call successors, (62), 2 states have call predecessors, (62), 4 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2024-11-28 04:48:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 188 transitions. [2024-11-28 04:48:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 04:48:29,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:29,278 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:29,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:48:29,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:29,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:29,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:29,483 INFO L85 PathProgramCache]: Analyzing trace with hash 707153623, now seen corresponding path program 1 times [2024-11-28 04:48:29,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:29,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746107471] [2024-11-28 04:48:29,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:29,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:29,618 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:48:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:48:29,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:48:29,898 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:48:29,899 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:48:29,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:48:29,906 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 04:48:30,074 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:48:30,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:48:30 BoogieIcfgContainer [2024-11-28 04:48:30,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:48:30,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:48:30,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:48:30,079 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:48:30,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:24" (3/4) ... [2024-11-28 04:48:30,082 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:48:30,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:48:30,084 INFO L158 Benchmark]: Toolchain (without parser) took 6453.51ms. 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 287.0MB in the end (delta: -193.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2024-11-28 04:48:30,084 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:30,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.64ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 79.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:48:30,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.86ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:30,085 INFO L158 Benchmark]: Boogie Preprocessor took 73.92ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:30,087 INFO L158 Benchmark]: RCFGBuilder took 685.29ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 53.9MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:48:30,087 INFO L158 Benchmark]: TraceAbstraction took 5157.94ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.3MB in the beginning and 287.1MB in the end (delta: -233.7MB). Peak memory consumption was 167.6MB. Max. memory is 16.1GB. [2024-11-28 04:48:30,087 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 352.3MB. Free memory was 287.1MB in the beginning and 287.0MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:48:30,089 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.64ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 79.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.86ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.92ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.29ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 53.9MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5157.94ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.3MB in the beginning and 287.1MB in the end (delta: -233.7MB). Peak memory consumption was 167.6MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 352.3MB. Free memory was 287.1MB in the beginning and 287.0MB 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 someUnaryDOUBLEoperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 141, overapproximation of someBinaryDOUBLEComparisonOperation at line 152, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 138, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L23] unsigned long int var_1_2 = 32; [L24] unsigned long int var_1_3 = 128; [L25] double var_1_4 = 32.3; [L26] double var_1_5 = 0.25; [L27] double var_1_6 = 500.6; [L28] unsigned char var_1_7 = 2; [L29] signed char var_1_8 = -10; [L30] signed char var_1_9 = 5; [L31] signed char var_1_10 = 4; [L32] signed char var_1_11 = 100; [L33] unsigned long int var_1_12 = 8; [L34] unsigned char var_1_13 = 0; [L35] unsigned char var_1_14 = 1; [L36] unsigned long int var_1_15 = 1114432789; [L37] unsigned long int var_1_16 = 2; [L38] double var_1_17 = 256.8; [L39] double var_1_18 = 1.25; [L40] unsigned long int var_1_19 = 16; [L41] unsigned char var_1_21 = 1; [L42] double var_1_22 = -0.5; [L43] unsigned char var_1_23 = 0; [L44] unsigned char var_1_24 = 1; VAL [isInitial=0, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_2=32, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L156] isInitial = 1 [L157] FCALL initially() [L159] FCALL updateLastVariables() [L160] CALL updateVariables() [L101] var_1_2 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L102] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L103] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L103] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_3=128, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L104] var_1_3 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L105] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L106] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L106] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_4=323/10, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L107] var_1_4 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L108] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_5=1/4, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L109] var_1_5 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L110] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_6=2503/5, var_1_7=2, var_1_8=-10, var_1_9=5] [L111] var_1_6 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L112] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=2, var_1_8=-10, var_1_9=5] [L113] var_1_7 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L114] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_8=-10, var_1_9=5] [L115] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=5] [L115] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=5] [L116] var_1_9 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L117] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L118] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L118] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=4, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L119] var_1_10 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L120] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L121] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L121] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=100, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L122] var_1_11 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L124] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L124] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L125] var_1_13 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L126] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L127] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L127] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L128] var_1_14 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L129] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L130] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L130] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=1114432789, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L131] var_1_15 = __VERIFIER_nondet_ulong() [L132] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L132] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L133] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L133] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=2, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L134] var_1_16 = __VERIFIER_nondet_ulong() [L135] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L135] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L136] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L136] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_18=5/4, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L137] var_1_18 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L138] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L139] var_1_22 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L140] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L141] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L141] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=0, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L142] var_1_23 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L143] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L144] CALL assume_abort_if_not(var_1_23 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L144] RET assume_abort_if_not(var_1_23 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L145] var_1_24 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L146] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L147] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L147] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_7=1, var_1_8=-10, var_1_9=126] [L160] RET updateVariables() [L161] CALL step() [L48] unsigned long int stepLocal_1 = var_1_2; [L49] unsigned long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=33, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=128, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=-10, var_1_9=126] [L50] COND FALSE !(32u >= stepLocal_0) [L57] var_1_1 = var_1_7 VAL [isInitial=1, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=-10, var_1_9=126] [L59] COND TRUE ! (var_1_6 > var_1_5) [L60] var_1_8 = (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11) VAL [isInitial=1, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=125, var_1_9=126] [L64] unsigned char stepLocal_2 = var_1_13; VAL [isInitial=1, stepLocal_1=33, stepLocal_2=-255, var_1_10=126, var_1_11=1, var_1_12=8, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=125, var_1_9=126] [L65] COND TRUE stepLocal_2 && var_1_14 [L66] var_1_12 = var_1_11 VAL [isInitial=1, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=125, var_1_9=126] [L72] COND FALSE !((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) VAL [isInitial=1, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=125, var_1_9=126] [L75] unsigned char stepLocal_3 = ((((var_1_4) > (var_1_6)) ? (var_1_4) : (var_1_6))) > var_1_18; VAL [isInitial=1, stepLocal_1=33, stepLocal_3=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=125, var_1_9=126] [L76] COND TRUE var_1_14 || stepLocal_3 VAL [isInitial=1, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=16, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=125, var_1_9=126] [L77] COND TRUE var_1_18 > ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))) [L78] var_1_19 = var_1_16 VAL [isInitial=1, stepLocal_1=33, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=-3221225473, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_7=1, var_1_8=125, var_1_9=126] [L85] unsigned long int stepLocal_4 = var_1_3; VAL [isInitial=1, stepLocal_1=33, stepLocal_4=4294967329, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=-3221225473, var_1_1=1, var_1_21=1, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_3=4294967329, var_1_7=1, var_1_8=125, var_1_9=126] [L86] COND FALSE !((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) [L97] var_1_21 = var_1_23 VAL [isInitial=1, stepLocal_1=33, stepLocal_4=4294967329, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=-3221225473, var_1_1=1, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_3=4294967329, var_1_7=1, var_1_8=125, var_1_9=126] [L161] RET step() [L162] CALL, EXPR property() [L152-L153] return ((((((32u >= var_1_2) ? ((var_1_2 <= var_1_3) ? (((var_1_4 - var_1_5) >= var_1_6) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((! (var_1_6 > var_1_5)) ? (var_1_8 == ((signed char) (((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) - var_1_11))) : (var_1_8 == ((signed char) -4)))) && ((var_1_13 && var_1_14) ? (var_1_12 == ((unsigned long int) var_1_11)) : (var_1_13 ? (var_1_12 == ((unsigned long int) (((((var_1_1) > ((var_1_11 + var_1_7))) ? (var_1_1) : ((var_1_11 + var_1_7)))) + (var_1_15 - var_1_16)))) : 1))) && (((((((~ var_1_1)) < (8)) ? ((~ var_1_1)) : (8))) > var_1_11) ? (var_1_17 == ((double) var_1_18)) : 1)) && ((var_1_14 || (((((var_1_4) > (var_1_6)) ? (var_1_4) : (var_1_6))) > var_1_18)) ? ((var_1_18 > ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) ? (var_1_19 == ((unsigned long int) var_1_16)) : (var_1_19 == ((unsigned long int) var_1_11))) : (var_1_19 == ((unsigned long int) var_1_16)))) && (((var_1_18 / ((((5.5) > (var_1_22)) ? (5.5) : (var_1_22)))) > 10.5) ? (var_1_13 ? ((var_1_2 < var_1_3) ? (var_1_21 == ((unsigned char) (! var_1_23))) : (var_1_21 == ((unsigned char) var_1_24))) : (var_1_21 == ((unsigned char) var_1_23))) : (var_1_21 == ((unsigned char) var_1_23))) ; VAL [\result=0, isInitial=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=-3221225473, var_1_1=1, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_3=4294967329, var_1_7=1, var_1_8=125, var_1_9=126] [L162] RET, EXPR property() [L162] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=-3221225473, var_1_1=1, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_3=4294967329, var_1_7=1, var_1_8=125, var_1_9=126] [L19] reach_error() VAL [isInitial=1, var_1_10=126, var_1_11=1, var_1_12=1, var_1_13=-255, var_1_14=1, var_1_15=13835058056355905535U, var_1_16=-3221225473, var_1_17=1284/5, var_1_19=-3221225473, var_1_1=1, var_1_21=-256, var_1_23=-256, var_1_24=1, var_1_2=33, var_1_3=4294967329, var_1_7=1, var_1_8=125, var_1_9=126] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 4, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 522 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 209 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 313 mSDtfsCounter, 180 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1113 NumberOfCodeBlocks, 1113 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1107 ConstructedInterpolants, 0 QuantifiedInterpolants, 1536 SizeOfPredicates, 3 NumberOfNonLiveVariables, 810 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 10238/10440 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 04:48:30,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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_43bcb316-4e8c-4aa7-9a11-91a28788a096/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 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:48:33,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:48:33,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:48:33,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:48:33,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:48:33,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:48:33,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:48:33,342 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:48:33,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:48:33,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:48:33,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:48:33,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:48:33,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:48:33,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:48:33,343 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:48:33,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:48:33,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:48:33,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:48:33,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:48:33,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:48:33,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:48:33,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:48:33,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:48:33,348 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:48:33,349 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:33,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:33,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:33,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:48:33,350 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:48:33,351 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:48:33,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:48:33,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:48:33,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:48:33,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:48:33,351 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_43bcb316-4e8c-4aa7-9a11-91a28788a096/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 -> 91502c696c3817feb6a83b9fc9ac9f8d3ae7404690c12bcf1fe920d76454d132 [2024-11-28 04:48:33,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:48:33,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:48:33,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:48:33,705 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:48:33,706 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:48:33,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2024-11-28 04:48:36,950 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/e08b05fc9/bd3c1231866541cd97c4955b95644cca/FLAGb27ecc964 [2024-11-28 04:48:37,307 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:48:37,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i [2024-11-28 04:48:37,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/e08b05fc9/bd3c1231866541cd97c4955b95644cca/FLAGb27ecc964 [2024-11-28 04:48:37,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/data/e08b05fc9/bd3c1231866541cd97c4955b95644cca [2024-11-28 04:48:37,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:48:37,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:48:37,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:37,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:48:37,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:48:37,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:37" (1/1) ... [2024-11-28 04:48:37,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:37, skipping insertion in model container [2024-11-28 04:48:37,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:48:37" (1/1) ... [2024-11-28 04:48:37,578 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:48:37,779 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_43bcb316-4e8c-4aa7-9a11-91a28788a096/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2024-11-28 04:48:37,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:37,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:48:37,932 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_43bcb316-4e8c-4aa7-9a11-91a28788a096/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-51.i[917,930] [2024-11-28 04:48:38,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:48:38,030 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:48:38,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38 WrapperNode [2024-11-28 04:48:38,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:48:38,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:38,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:48:38,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:48:38,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,107 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2024-11-28 04:48:38,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:48:38,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:48:38,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:48:38,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:48:38,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,124 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,146 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 04:48:38,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,170 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:48:38,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:48:38,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:48:38,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:48:38,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (1/1) ... [2024-11-28 04:48:38,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:48:38,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:38,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:48:38,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:48:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:48:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:48:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:48:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:48:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:48:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:48:38,402 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:48:38,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:48:50,992 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-28 04:48:50,994 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:48:51,005 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:48:51,007 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:48:51,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:51 BoogieIcfgContainer [2024-11-28 04:48:51,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:48:51,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:48:51,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:48:51,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:48:51,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:48:37" (1/3) ... [2024-11-28 04:48:51,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cd9ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:51, skipping insertion in model container [2024-11-28 04:48:51,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:48:38" (2/3) ... [2024-11-28 04:48:51,020 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cd9ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:48:51, skipping insertion in model container [2024-11-28 04:48:51,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:48:51" (3/3) ... [2024-11-28 04:48:51,021 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-51.i [2024-11-28 04:48:51,037 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:48:51,038 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_steplocals_file-51.i that has 2 procedures, 81 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:48:51,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:48:51,110 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;@7485a373, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:48:51,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:48:51,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 49 states have internal predecessors, (65), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 04:48:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-28 04:48:51,139 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:51,141 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:51,141 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:51,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:51,145 INFO L85 PathProgramCache]: Analyzing trace with hash 716270673, now seen corresponding path program 1 times [2024-11-28 04:48:51,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:51,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699410711] [2024-11-28 04:48:51,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:51,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:48:51,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:51,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:48:51,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:48:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:52,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:48:52,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 538 proven. 0 refuted. 0 times theorem prover too weak. 1202 trivial. 0 not checked. [2024-11-28 04:48:52,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:52,475 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:52,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699410711] [2024-11-28 04:48:52,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699410711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:52,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:48:52,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:48:52,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369211883] [2024-11-28 04:48:52,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:52,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:48:52,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:52,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:48:52,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:52,512 INFO L87 Difference]: Start difference. First operand has 81 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 49 states have internal predecessors, (65), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 04:48:52,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:52,544 INFO L93 Difference]: Finished difference Result 155 states and 274 transitions. [2024-11-28 04:48:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:48:52,546 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 185 [2024-11-28 04:48:52,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:52,554 INFO L225 Difference]: With dead ends: 155 [2024-11-28 04:48:52,554 INFO L226 Difference]: Without dead ends: 77 [2024-11-28 04:48:52,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:48:52,561 INFO L435 NwaCegarLoop]: 118 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, 118 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:52,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:48:52,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-28 04:48:52,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-28 04:48:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 45 states have (on average 1.288888888888889) internal successors, (58), 45 states have internal predecessors, (58), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-28 04:48:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 118 transitions. [2024-11-28 04:48:52,611 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 118 transitions. Word has length 185 [2024-11-28 04:48:52,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:52,613 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 118 transitions. [2024-11-28 04:48:52,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 04:48:52,614 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2024-11-28 04:48:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-28 04:48:52,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:52,622 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:48:52,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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 04:48:52,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:48:52,823 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:48:52,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1809791369, now seen corresponding path program 1 times [2024-11-28 04:48:52,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:48:52,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1102788818] [2024-11-28 04:48:52,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:52,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:48:52,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:48:52,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:48:52,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:48:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:53,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:48:53,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:55,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-28 04:48:55,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:56,175 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:48:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1102788818] [2024-11-28 04:48:56,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1102788818] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:56,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1003764864] [2024-11-28 04:48:56,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:48:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:48:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:48:56,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:48:56,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 04:48:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:48:56,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:48:56,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:57,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-28 04:48:57,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:48:57,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1003764864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:48:57,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:48:57,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-28 04:48:57,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093452300] [2024-11-28 04:48:57,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:48:57,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:48:57,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:48:57,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:48:57,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:48:57,085 INFO L87 Difference]: Start difference. First operand 77 states and 118 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-28 04:49:01,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:49:05,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:49:05,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:49:05,438 INFO L93 Difference]: Finished difference Result 198 states and 302 transitions. [2024-11-28 04:49:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:49:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 185 [2024-11-28 04:49:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:49:05,519 INFO L225 Difference]: With dead ends: 198 [2024-11-28 04:49:05,519 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 04:49:05,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:49:05,521 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 67 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:49:05,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 224 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2024-11-28 04:49:05,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 04:49:05,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2024-11-28 04:49:05,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 71 states have (on average 1.267605633802817) internal successors, (90), 72 states have internal predecessors, (90), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 04:49:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 184 transitions. [2024-11-28 04:49:05,551 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 184 transitions. Word has length 185 [2024-11-28 04:49:05,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:49:05,553 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 184 transitions. [2024-11-28 04:49:05,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-28 04:49:05,553 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 184 transitions. [2024-11-28 04:49:05,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 04:49:05,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:49:05,557 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:05,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-28 04:49:05,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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 04:49:05,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:49:05,958 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:49:05,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:49:05,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1100180633, now seen corresponding path program 1 times [2024-11-28 04:49:05,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:49:05,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [612017341] [2024-11-28 04:49:05,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:49:05,961 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:49:05,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:49:05,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:49:05,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 04:49:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:49:07,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:49:07,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:49:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-28 04:49:09,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:49:09,415 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:49:09,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [612017341] [2024-11-28 04:49:09,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [612017341] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:49:09,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [422198234] [2024-11-28 04:49:09,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:49:09,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:49:09,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:49:09,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:49:09,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 04:49:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:49:11,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:49:11,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:49:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 887 proven. 48 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-28 04:49:13,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:49:13,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [422198234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:49:13,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:49:13,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-28 04:49:13,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298930392] [2024-11-28 04:49:13,404 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:49:13,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:49:13,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:49:13,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:49:13,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:49:13,407 INFO L87 Difference]: Start difference. First operand 121 states and 184 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 04:49:19,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:49:23,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:49:27,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:49:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:49:27,216 INFO L93 Difference]: Finished difference Result 251 states and 375 transitions. [2024-11-28 04:49:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:49:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 186 [2024-11-28 04:49:27,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:49:27,295 INFO L225 Difference]: With dead ends: 251 [2024-11-28 04:49:27,295 INFO L226 Difference]: Without dead ends: 133 [2024-11-28 04:49:27,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:49:27,298 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 53 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:49:27,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 178 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 13.6s Time] [2024-11-28 04:49:27,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-28 04:49:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2024-11-28 04:49:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 78 states have internal predecessors, (94), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-28 04:49:27,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 188 transitions. [2024-11-28 04:49:27,327 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 188 transitions. Word has length 186 [2024-11-28 04:49:27,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:49:27,328 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 188 transitions. [2024-11-28 04:49:27,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-28 04:49:27,329 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 188 transitions. [2024-11-28 04:49:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-28 04:49:27,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:49:27,332 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:27,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-28 04:49:27,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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)] Forceful destruction successful, exit code 0 [2024-11-28 04:49:27,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:49:27,733 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:49:27,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:49:27,734 INFO L85 PathProgramCache]: Analyzing trace with hash 707153623, now seen corresponding path program 1 times [2024-11-28 04:49:27,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:49:27,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935507073] [2024-11-28 04:49:27,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:49:27,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:49:27,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:49:27,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:49:27,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43bcb316-4e8c-4aa7-9a11-91a28788a096/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 (7)] Waiting until timeout for monitored process [2024-11-28 04:49:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:49:28,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-28 04:49:28,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:49:45,042 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:53,392 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:01,742 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:10,062 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:18,429 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:25,576 WARN L286 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:37,415 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:45,727 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:52,029 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:00,328 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:08,629 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:16,967 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:25,297 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:33,641 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:42,031 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:50,384 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:58,811 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:07,186 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:15,565 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:23,949 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:28,057 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_19~0 c_~var_1_16~0) (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= c_~var_1_12~0 .cse4) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (not (= (_ bv0 8) c_~var_1_14~0)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (bvsle ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (let ((.cse8 (fp.lt c_~var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~var_1_17~0)))) (not (fp.gt c_~var_1_6~0 c_~var_1_5~0)) (not (= (_ bv0 8) c_~var_1_13~0)) (bvsge .cse4 (_ bv0 32))))) is different from false [2024-11-28 04:52:32,142 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 2.0)))) (let ((.cse6 (fp.gt .cse7 c_~var_1_22~0)) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0))) (.cse4 ((_ sign_extend 24) c_~var_1_11~0))) (and (= c_~var_1_19~0 c_~var_1_16~0) (= c_~var_1_23~0 c_~var_1_21~0) (= c_~var_1_7~0 c_~var_1_1~0) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0)) (.cse2 ((_ sign_extend 24) c_~var_1_10~0))) (let ((.cse1 (bvneg .cse4)) (.cse0 (bvslt .cse3 .cse2))) (or (and (not .cse0) (= ((_ extract 7 0) (bvadd .cse1 .cse2)) c_~var_1_8~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse1)) c_~var_1_8~0) .cse0)))) (= c_~var_1_12~0 .cse4) (or (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 c_~var_1_22~0) .cse5)) .cse6) (not (= (_ bv0 8) c_~var_1_14~0)) (or (not .cse6) (not (fp.gt (fp.div c_currentRoundingMode c_~var_1_18~0 .cse7) .cse5))) (bvsle ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (let ((.cse8 (fp.lt c_~var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.gt c_~var_1_18~0 (fp.neg c_~var_1_17~0)) .cse8) (and (not .cse8) (fp.gt c_~var_1_18~0 c_~var_1_17~0)))) (not (fp.gt c_~var_1_6~0 c_~var_1_5~0)) (not (= (_ bv0 8) c_~var_1_13~0)) (bvsge .cse4 (_ bv0 32))))) is different from true