./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya --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 ebeb5cc386d7505a158903e5b70d0f6301aafddfa314d0b5e6dafaafd876bfb3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:03:00,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:03:00,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 07:03:00,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:03:00,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:03:00,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:03:00,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:03:00,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:03:00,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:03:00,421 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:03:00,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:03:00,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:03:00,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:03:00,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:03:00,424 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:03:00,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:03:00,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:03:00,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:03:00,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 07:03:00,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:03:00,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:03:00,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:03:00,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:03:00,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:03:00,433 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:03:00,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:03:00,434 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:03:00,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:03:00,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:03:00,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:03:00,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:03:00,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:03:00,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:03:00,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:03:00,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:03:00,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 07:03:00,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 07:03:00,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:03:00,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:03:00,437 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:03:00,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:03:00,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:03:00,438 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebeb5cc386d7505a158903e5b70d0f6301aafddfa314d0b5e6dafaafd876bfb3 [2023-11-29 07:03:00,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:03:00,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:03:00,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:03:00,691 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:03:00,691 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:03:00,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i [2023-11-29 07:03:03,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:03:03,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:03:03,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i [2023-11-29 07:03:03,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data/40c32fe07/a982f610c3114fb5810b7303297f35a9/FLAG4c351119a [2023-11-29 07:03:04,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data/40c32fe07/a982f610c3114fb5810b7303297f35a9 [2023-11-29 07:03:04,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:03:04,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:03:04,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:03:04,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:03:04,034 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:03:04,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8fb05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04, skipping insertion in model container [2023-11-29 07:03:04,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:03:04,213 WARN L240 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_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i[917,930] [2023-11-29 07:03:04,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:03:04,275 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:03:04,289 WARN L240 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_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i[917,930] [2023-11-29 07:03:04,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:03:04,332 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:03:04,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04 WrapperNode [2023-11-29 07:03:04,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:03:04,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:03:04,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:03:04,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:03:04,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,385 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-29 07:03:04,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:03:04,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:03:04,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:03:04,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:03:04,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,419 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]. [2023-11-29 07:03:04,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:03:04,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:03:04,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:03:04,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:03:04,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2023-11-29 07:03:04,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:03:04,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:03:04,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:03:04,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:03:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:03:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:03:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:03:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 07:03:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:03:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:03:04,595 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:03:04,597 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:03:04,853 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:03:04,910 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:03:04,910 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:03:04,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:04 BoogieIcfgContainer [2023-11-29 07:03:04,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:03:04,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:03:04,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:03:04,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:03:04,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:03:04" (1/3) ... [2023-11-29 07:03:04,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a21aa20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:03:04, skipping insertion in model container [2023-11-29 07:03:04,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (2/3) ... [2023-11-29 07:03:04,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a21aa20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:03:04, skipping insertion in model container [2023-11-29 07:03:04,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:04" (3/3) ... [2023-11-29 07:03:04,920 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-11.i [2023-11-29 07:03:04,957 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:03:04,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:03:05,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:03:05,018 INFO L357 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, mHoare=true, 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;@73381e41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:03:05,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:03:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 07:03:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 07:03:05,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:05,037 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:05,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:05,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:05,042 INFO L85 PathProgramCache]: Analyzing trace with hash -2007679347, now seen corresponding path program 1 times [2023-11-29 07:03:05,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:05,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877034319] [2023-11-29 07:03:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:05,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:03:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:03:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:03:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 07:03:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 07:03:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:03:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 07:03:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 07:03:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 07:03:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 07:03:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:03:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:03:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:03:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 07:03:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 07:03:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 07:03:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 07:03:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 07:03:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 07:03:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 07:03:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:03:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 07:03:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 07:03:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 07:03:05,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:05,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877034319] [2023-11-29 07:03:05,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877034319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:05,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:05,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:05,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544876881] [2023-11-29 07:03:05,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:05,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 07:03:05,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:05,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 07:03:05,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:03:05,481 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 07:03:05,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:03:05,538 INFO L93 Difference]: Finished difference Result 119 states and 213 transitions. [2023-11-29 07:03:05,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 07:03:05,541 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2023-11-29 07:03:05,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:03:05,550 INFO L225 Difference]: With dead ends: 119 [2023-11-29 07:03:05,550 INFO L226 Difference]: Without dead ends: 59 [2023-11-29 07:03:05,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:03:05,559 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:03:05,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:03:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-29 07:03:05,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-29 07:03:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 07:03:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 91 transitions. [2023-11-29 07:03:05,605 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 91 transitions. Word has length 140 [2023-11-29 07:03:05,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:03:05,606 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 91 transitions. [2023-11-29 07:03:05,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 07:03:05,606 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2023-11-29 07:03:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 07:03:05,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:05,611 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:05,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 07:03:05,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:05,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:05,612 INFO L85 PathProgramCache]: Analyzing trace with hash 394913735, now seen corresponding path program 1 times [2023-11-29 07:03:05,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:05,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506141410] [2023-11-29 07:03:05,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:05,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:03:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:03:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:03:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 07:03:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 07:03:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:03:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 07:03:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 07:03:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 07:03:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 07:03:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:03:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:03:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:03:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 07:03:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 07:03:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 07:03:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 07:03:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 07:03:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 07:03:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 07:03:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:03:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 07:03:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 07:03:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 45 proven. 21 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-29 07:03:06,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:06,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506141410] [2023-11-29 07:03:06,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506141410] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:03:06,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149294855] [2023-11-29 07:03:06,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:06,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:03:06,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:03:06,661 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:03:06,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 07:03:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:08,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 07:03:08,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:03:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 740 proven. 108 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-29 07:03:10,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:03:17,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149294855] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:03:17,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:03:17,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 17] total 24 [2023-11-29 07:03:17,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17910921] [2023-11-29 07:03:17,741 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:03:17,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 07:03:17,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:17,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 07:03:17,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 07:03:17,745 INFO L87 Difference]: Start difference. First operand 59 states and 91 transitions. Second operand has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 21 states have internal predecessors, (65), 9 states have call successors, (42), 6 states have call predecessors, (42), 9 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2023-11-29 07:03:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:03:19,166 INFO L93 Difference]: Finished difference Result 171 states and 244 transitions. [2023-11-29 07:03:19,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-29 07:03:19,167 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 21 states have internal predecessors, (65), 9 states have call successors, (42), 6 states have call predecessors, (42), 9 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) Word has length 140 [2023-11-29 07:03:19,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:03:19,171 INFO L225 Difference]: With dead ends: 171 [2023-11-29 07:03:19,171 INFO L226 Difference]: Without dead ends: 113 [2023-11-29 07:03:19,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=834, Invalid=2246, Unknown=0, NotChecked=0, Total=3080 [2023-11-29 07:03:19,175 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 156 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 07:03:19,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 431 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 07:03:19,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-29 07:03:19,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 106. [2023-11-29 07:03:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 69 states have (on average 1.289855072463768) internal successors, (89), 70 states have internal predecessors, (89), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 07:03:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 147 transitions. [2023-11-29 07:03:19,202 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 147 transitions. Word has length 140 [2023-11-29 07:03:19,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:03:19,203 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 147 transitions. [2023-11-29 07:03:19,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 21 states have internal predecessors, (65), 9 states have call successors, (42), 6 states have call predecessors, (42), 9 states have return successors, (42), 9 states have call predecessors, (42), 9 states have call successors, (42) [2023-11-29 07:03:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 147 transitions. [2023-11-29 07:03:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 07:03:19,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:19,207 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:19,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 07:03:19,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:03:19,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:19,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:19,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1886725, now seen corresponding path program 1 times [2023-11-29 07:03:19,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:19,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233785047] [2023-11-29 07:03:19,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:19,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 07:03:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 07:03:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 07:03:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-29 07:03:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-29 07:03:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-29 07:03:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-29 07:03:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-29 07:03:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-29 07:03:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-29 07:03:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-29 07:03:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-29 07:03:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-29 07:03:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 07:03:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 07:03:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-29 07:03:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-29 07:03:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-29 07:03:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 07:03:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-29 07:03:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-29 07:03:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-11-29 07:03:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:20,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 07:03:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:21,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 66 proven. 60 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2023-11-29 07:03:21,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 07:03:21,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233785047] [2023-11-29 07:03:21,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233785047] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:03:21,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513893681] [2023-11-29 07:03:21,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:21,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 07:03:21,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:03:21,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 07:03:21,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 07:03:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:22,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 07:03:22,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:03:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 726 proven. 108 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-29 07:03:23,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 07:03:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513893681] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 07:03:32,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 07:03:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 16] total 23 [2023-11-29 07:03:32,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7059077] [2023-11-29 07:03:32,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 07:03:32,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 07:03:32,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 07:03:32,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 07:03:32,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 07:03:32,969 INFO L87 Difference]: Start difference. First operand 106 states and 147 transitions. Second operand has 23 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 20 states have internal predecessors, (65), 10 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 9 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-29 07:03:33,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:03:33,952 INFO L93 Difference]: Finished difference Result 215 states and 297 transitions. [2023-11-29 07:03:33,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 07:03:33,953 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 20 states have internal predecessors, (65), 10 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 9 states have call predecessors, (40), 10 states have call successors, (40) Word has length 140 [2023-11-29 07:03:33,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:03:33,955 INFO L225 Difference]: With dead ends: 215 [2023-11-29 07:03:33,956 INFO L226 Difference]: Without dead ends: 110 [2023-11-29 07:03:33,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=595, Invalid=1567, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 07:03:33,958 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 210 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 07:03:33,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 164 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 07:03:33,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-29 07:03:33,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-11-29 07:03:33,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 70 states have internal predecessors, (88), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 07:03:33,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2023-11-29 07:03:33,975 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 140 [2023-11-29 07:03:33,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:03:33,976 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2023-11-29 07:03:33,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 20 states have internal predecessors, (65), 10 states have call successors, (40), 6 states have call predecessors, (40), 9 states have return successors, (40), 9 states have call predecessors, (40), 10 states have call successors, (40) [2023-11-29 07:03:33,976 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2023-11-29 07:03:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-29 07:03:33,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:33,979 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:33,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 07:03:34,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-29 07:03:34,180 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:34,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:34,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1428001942, now seen corresponding path program 1 times [2023-11-29 07:03:34,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 07:03:34,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452884839] [2023-11-29 07:03:34,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 07:03:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:03:34,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 07:03:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 07:03:34,407 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 07:03:34,407 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 07:03:34,408 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 07:03:34,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 07:03:34,412 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 07:03:34,416 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 07:03:34,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:03:34 BoogieIcfgContainer [2023-11-29 07:03:34,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 07:03:34,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 07:03:34,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 07:03:34,501 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 07:03:34,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:04" (3/4) ... [2023-11-29 07:03:34,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 07:03:34,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 07:03:34,504 INFO L158 Benchmark]: Toolchain (without parser) took 30476.62ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 120.2MB in the beginning and 80.4MB in the end (delta: 39.8MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2023-11-29 07:03:34,504 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:03:34,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.66ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 106.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 07:03:34,505 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.91ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 104.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 07:03:34,505 INFO L158 Benchmark]: Boogie Preprocessor took 52.37ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 101.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 07:03:34,505 INFO L158 Benchmark]: RCFGBuilder took 471.18ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 80.4MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 07:03:34,506 INFO L158 Benchmark]: TraceAbstraction took 29586.04ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 79.5MB in the beginning and 80.4MB in the end (delta: -857.2kB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-29 07:03:34,506 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 207.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 07:03:34,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 141.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.66ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 106.6MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.91ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 104.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.37ms. Allocated memory is still 167.8MB. Free memory was 104.1MB in the beginning and 101.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 471.18ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 80.4MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 29586.04ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 79.5MB in the beginning and 80.4MB in the end (delta: -857.2kB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 207.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someUnaryDOUBLEoperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed short int var_1_5 = -256; [L27] signed short int var_1_6 = 4; [L28] signed char var_1_7 = 0; [L29] signed char var_1_8 = 16; [L30] signed char var_1_9 = 4; [L31] unsigned long int var_1_10 = 128; [L32] unsigned long int var_1_11 = 1422462314; [L33] signed short int var_1_12 = 8; [L34] float var_1_13 = 49.5; [L35] float var_1_14 = 0.4; [L36] signed short int var_1_15 = -50; [L37] unsigned long int var_1_16 = 1; [L38] unsigned long int var_1_17 = 3609236770; [L39] unsigned long int var_1_18 = 2902762324; [L40] double var_1_19 = 3.8; [L41] double var_1_20 = 255.75; [L42] unsigned short int var_1_21 = 0; [L133] isInitial = 1 [L134] FCALL initially() [L135] COND TRUE 1 [L136] FCALL updateLastVariables() [L137] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L94] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-256, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L95] var_1_5 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L96] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L97] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=4, var_1_7=0, var_1_8=16, var_1_9=4] [L98] var_1_6 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=0, var_1_8=16, var_1_9=4] [L99] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=0, var_1_8=16, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=0, var_1_8=16, var_1_9=4] [L100] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=0, var_1_8=16, var_1_9=4] [L101] var_1_7 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=16, var_1_9=4] [L102] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=16, var_1_9=4] [L103] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=16, var_1_9=4] [L103] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=16, var_1_9=4] [L104] var_1_8 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=4] [L105] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=4] [L106] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=4] [L106] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=4] [L107] var_1_9 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L109] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L109] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L110] var_1_11 = __VERIFIER_nondet_ulong() [L111] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L111] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L112] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L112] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_13=99/2, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L113] var_1_13 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L114] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_14=2/5, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L116] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L117] var_1_17 = __VERIFIER_nondet_ulong() [L118] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L118] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L119] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L119] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L120] var_1_18 = __VERIFIER_nondet_ulong() [L121] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L121] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L122] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L122] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L123] var_1_20 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L124] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L137] RET updateVariables() [L138] CALL step() [L46] var_1_1 = (var_1_2 || (! var_1_3)) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=5, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L47] COND TRUE var_1_5 == var_1_6 [L48] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) VAL [isInitial=1, var_1_10=128, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L50] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L51] unsigned long int stepLocal_1 = var_1_10; [L52] signed char stepLocal_0 = var_1_8; VAL [isInitial=1, stepLocal_0=0, stepLocal_1=2953285049, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L53] COND TRUE var_1_6 != stepLocal_1 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=2953285049, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L54] COND FALSE !(stepLocal_0 <= var_1_6) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=2953285049, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L62] COND FALSE !(\read(var_1_2)) [L71] var_1_15 = 5 VAL [isInitial=1, stepLocal_0=0, stepLocal_1=2953285049, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=1, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L73] COND TRUE var_1_13 != var_1_14 [L74] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=2953285049, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=63, var_1_17=4294967294, var_1_18=4294967294, var_1_19=19/5, var_1_1=1, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L82] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L83] unsigned char stepLocal_2 = var_1_12 == (var_1_8 - var_1_9); VAL [isInitial=1, stepLocal_0=0, stepLocal_1=2953285049, stepLocal_2=0, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=63, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L84] COND FALSE !(stepLocal_2 && var_1_2) VAL [isInitial=1, stepLocal_0=0, stepLocal_1=2953285049, stepLocal_2=0, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=63, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L138] RET step() [L139] CALL, EXPR property() [L129-L130] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_5 == var_1_6) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((var_1_6 != var_1_10) ? ((var_1_8 <= var_1_6) ? (((- var_1_13) >= var_1_14) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_2 ? ((var_1_13 >= var_1_14) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_13 != var_1_14) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_5 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_12 == (var_1_8 - var_1_9)) && var_1_2) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L139] RET, EXPR property() [L139] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=63, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2953285049, var_1_11=1073741823, var_1_12=8, var_1_15=5, var_1_16=63, var_1_17=4294967294, var_1_18=4294967294, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_2=0, var_1_3=0, var_1_4=63, var_1_5=-32768, var_1_6=-32768, var_1_7=63, var_1_8=0, var_1_9=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.4s, OverallIterations: 4, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 380 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 366 mSDsluCounter, 683 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 476 mSDsCounter, 172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 933 IncrementalHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 172 mSolverCounterUnsat, 207 mSDtfsCounter, 933 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 678 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1188 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=2, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 22.8s InterpolantComputationTime, 841 NumberOfCodeBlocks, 841 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 695 ConstructedInterpolants, 0 QuantifiedInterpolants, 6624 SizeOfPredicates, 19 NumberOfNonLiveVariables, 659 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 4763/5060 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 07:03:34,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya --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 ebeb5cc386d7505a158903e5b70d0f6301aafddfa314d0b5e6dafaafd876bfb3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 07:03:36,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 07:03:36,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 07:03:36,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 07:03:36,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 07:03:36,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 07:03:36,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 07:03:36,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 07:03:36,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 07:03:36,776 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 07:03:36,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 07:03:36,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 07:03:36,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 07:03:36,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 07:03:36,780 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 07:03:36,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 07:03:36,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 07:03:36,782 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 07:03:36,783 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 07:03:36,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 07:03:36,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 07:03:36,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 07:03:36,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 07:03:36,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 07:03:36,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 07:03:36,786 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 07:03:36,787 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 07:03:36,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 07:03:36,787 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 07:03:36,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 07:03:36,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 07:03:36,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 07:03:36,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 07:03:36,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:03:36,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 07:03:36,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 07:03:36,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 07:03:36,791 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 07:03:36,791 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 07:03:36,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 07:03:36,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 07:03:36,792 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 07:03:36,792 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 07:03:36,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 07:03:36,793 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 07:03:36,793 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebeb5cc386d7505a158903e5b70d0f6301aafddfa314d0b5e6dafaafd876bfb3 [2023-11-29 07:03:37,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 07:03:37,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 07:03:37,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 07:03:37,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 07:03:37,167 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 07:03:37,169 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i [2023-11-29 07:03:40,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 07:03:40,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 07:03:40,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i [2023-11-29 07:03:40,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data/34cab0e7d/1773d364cad74568ae3bb8e0946953ef/FLAGcc9e07c75 [2023-11-29 07:03:40,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/data/34cab0e7d/1773d364cad74568ae3bb8e0946953ef [2023-11-29 07:03:40,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 07:03:40,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 07:03:40,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 07:03:40,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 07:03:40,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 07:03:40,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb7da3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40, skipping insertion in model container [2023-11-29 07:03:40,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 07:03:40,633 WARN L240 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_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i[917,930] [2023-11-29 07:03:40,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:03:40,701 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 07:03:40,713 WARN L240 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_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-11.i[917,930] [2023-11-29 07:03:40,742 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 07:03:40,760 INFO L206 MainTranslator]: Completed translation [2023-11-29 07:03:40,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40 WrapperNode [2023-11-29 07:03:40,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 07:03:40,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 07:03:40,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 07:03:40,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 07:03:40,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,822 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-29 07:03:40,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 07:03:40,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 07:03:40,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 07:03:40,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 07:03:40,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,849 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,864 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]. [2023-11-29 07:03:40,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 07:03:40,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 07:03:40,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 07:03:40,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 07:03:40,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (1/1) ... [2023-11-29 07:03:40,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 07:03:40,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 07:03:40,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 07:03:40,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 07:03:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 07:03:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 07:03:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 07:03:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 07:03:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 07:03:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 07:03:41,056 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 07:03:41,058 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 07:03:41,361 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 07:03:41,420 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 07:03:41,420 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 07:03:41,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:41 BoogieIcfgContainer [2023-11-29 07:03:41,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 07:03:41,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 07:03:41,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 07:03:41,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 07:03:41,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:03:40" (1/3) ... [2023-11-29 07:03:41,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48176a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:03:41, skipping insertion in model container [2023-11-29 07:03:41,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:40" (2/3) ... [2023-11-29 07:03:41,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48176a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:03:41, skipping insertion in model container [2023-11-29 07:03:41,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:41" (3/3) ... [2023-11-29 07:03:41,431 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-11.i [2023-11-29 07:03:41,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 07:03:41,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 07:03:41,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 07:03:41,528 INFO L357 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, mHoare=true, 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;@2ec7ed5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 07:03:41,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 07:03:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 07:03:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 07:03:41,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:41,551 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:41,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:41,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash -2007679347, now seen corresponding path program 1 times [2023-11-29 07:03:41,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:03:41,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678643496] [2023-11-29 07:03:41,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:41,574 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 [2023-11-29 07:03:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:03:41,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 07:03:41,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 07:03:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:41,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 07:03:41,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 07:03:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2023-11-29 07:03:41,860 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 07:03:41,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 07:03:41,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678643496] [2023-11-29 07:03:41,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678643496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 07:03:41,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 07:03:41,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 07:03:41,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930796796] [2023-11-29 07:03:41,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 07:03:41,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 07:03:41,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 07:03:41,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 07:03:41,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:03:41,897 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 36 states have internal predecessors, (50), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 07:03:41,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 07:03:41,957 INFO L93 Difference]: Finished difference Result 119 states and 213 transitions. [2023-11-29 07:03:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 07:03:41,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2023-11-29 07:03:41,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 07:03:41,967 INFO L225 Difference]: With dead ends: 119 [2023-11-29 07:03:41,967 INFO L226 Difference]: Without dead ends: 59 [2023-11-29 07:03:41,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 07:03:41,973 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 07:03:41,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 07:03:41,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-29 07:03:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-29 07:03:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 07:03:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 91 transitions. [2023-11-29 07:03:42,017 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 91 transitions. Word has length 140 [2023-11-29 07:03:42,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 07:03:42,018 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 91 transitions. [2023-11-29 07:03:42,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 07:03:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 91 transitions. [2023-11-29 07:03:42,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-29 07:03:42,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 07:03:42,022 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 07:03:42,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 07:03:42,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 07:03:42,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 07:03:42,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 07:03:42,229 INFO L85 PathProgramCache]: Analyzing trace with hash 394913735, now seen corresponding path program 1 times [2023-11-29 07:03:42,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 07:03:42,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909817231] [2023-11-29 07:03:42,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 07:03:42,238 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 [2023-11-29 07:03:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 07:03:42,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 07:03:42,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70671e7a-e14e-4ea6-a03b-4b36fa5d2bd2/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 07:03:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 07:03:42,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 07:03:42,465 INFO L285 TraceCheckSpWp]: Computing forward predicates...