./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:55:26,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:55:26,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:55:26,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:55:26,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:55:26,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:55:26,422 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:55:26,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:55:26,423 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:55:26,424 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:55:26,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:55:26,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:55:26,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:55:26,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:55:26,427 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:55:26,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:55:26,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:55:26,428 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:55:26,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:55:26,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:55:26,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:55:26,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:55:26,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:55:26,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:55:26,432 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:55:26,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:55:26,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:55:26,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:55:26,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:55:26,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:55:26,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:55:26,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:55:26,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:55:26,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:55:26,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:55:26,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:55:26,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:55:26,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:55:26,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:55:26,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:55:26,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:55:26,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:55:26,437 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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 [2023-11-29 02:55:26,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:55:26,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:55:26,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:55:26,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:55:26,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:55:26,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-29 02:55:29,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:55:29,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:55:29,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-29 02:55:29,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data/222c5f18c/d39446e06d004903811c4a6d195e681f/FLAGeede66ded [2023-11-29 02:55:29,640 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data/222c5f18c/d39446e06d004903811c4a6d195e681f [2023-11-29 02:55:29,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:55:29,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:55:29,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:55:29,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:55:29,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:55:29,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ff453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29, skipping insertion in model container [2023-11-29 02:55:29,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,676 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:55:29,790 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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-29 02:55:29,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:55:29,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:55:29,864 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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-29 02:55:29,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:55:29,907 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:55:29,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29 WrapperNode [2023-11-29 02:55:29,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:55:29,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:55:29,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:55:29,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:55:29,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,961 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146 [2023-11-29 02:55:29,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:55:29,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:55:29,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:55:29,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:55:29,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,992 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 02:55:29,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:29,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:30,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:30,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:30,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:30,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:30,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:55:30,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:55:30,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:55:30,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:55:30,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (1/1) ... [2023-11-29 02:55:30,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:55:30,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:30,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:55:30,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:55:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:55:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:55:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:55:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:55:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:55:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:55:30,154 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:55:30,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:55:30,425 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:55:30,470 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:55:30,470 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:55:30,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:30 BoogieIcfgContainer [2023-11-29 02:55:30,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:55:30,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:55:30,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:55:30,476 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:55:30,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:55:29" (1/3) ... [2023-11-29 02:55:30,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454e6e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:55:30, skipping insertion in model container [2023-11-29 02:55:30,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:29" (2/3) ... [2023-11-29 02:55:30,478 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454e6e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:55:30, skipping insertion in model container [2023-11-29 02:55:30,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:30" (3/3) ... [2023-11-29 02:55:30,479 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-77.i [2023-11-29 02:55:30,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:55:30,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:55:30,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:55:30,588 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;@16030847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:55:30,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:55:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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 02:55:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:55:30,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:30,607 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, 1] [2023-11-29 02:55:30,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:30,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:30,612 INFO L85 PathProgramCache]: Analyzing trace with hash -731401140, now seen corresponding path program 1 times [2023-11-29 02:55:30,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:30,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622398533] [2023-11-29 02:55:30,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:30,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:30,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:30,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622398533] [2023-11-29 02:55:30,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:55:30,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519881502] [2023-11-29 02:55:30,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:30,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:30,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:30,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:55:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:30,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:55:30,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-29 02:55:31,020 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:31,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519881502] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:31,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:31,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:31,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611645594] [2023-11-29 02:55:31,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:31,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:55:31,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:31,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:55:31,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:55:31,058 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 02:55:31,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:31,095 INFO L93 Difference]: Finished difference Result 121 states and 215 transitions. [2023-11-29 02:55:31,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:55:31,097 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), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2023-11-29 02:55:31,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:31,104 INFO L225 Difference]: With dead ends: 121 [2023-11-29 02:55:31,104 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 02:55:31,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 02:55:31,111 INFO L413 NwaCegarLoop]: 89 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, 89 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 02:55:31,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:55:31,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 02:55:31,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 02:55:31,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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 02:55:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 92 transitions. [2023-11-29 02:55:31,155 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 92 transitions. Word has length 142 [2023-11-29 02:55:31,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:31,156 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 92 transitions. [2023-11-29 02:55:31,156 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), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 02:55:31,156 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2023-11-29 02:55:31,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:55:31,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:31,161 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, 1] [2023-11-29 02:55:31,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:55:31,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 02:55:31,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:31,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:31,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1451628806, now seen corresponding path program 1 times [2023-11-29 02:55:31,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:31,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567808862] [2023-11-29 02:55:31,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:31,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:31,421 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:31,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520260707] [2023-11-29 02:55:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:31,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:31,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:31,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:31,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:55:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:31,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 02:55:31,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-29 02:55:31,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:31,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:55:31,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567808862] [2023-11-29 02:55:31,769 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:55:31,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520260707] [2023-11-29 02:55:31,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520260707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:31,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:31,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 02:55:31,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405555769] [2023-11-29 02:55:31,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:31,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 02:55:31,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:55:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 02:55:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:55:31,773 INFO L87 Difference]: Start difference. First operand 60 states and 92 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 02:55:31,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:31,944 INFO L93 Difference]: Finished difference Result 119 states and 183 transitions. [2023-11-29 02:55:31,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:55:31,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 142 [2023-11-29 02:55:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:31,947 INFO L225 Difference]: With dead ends: 119 [2023-11-29 02:55:31,947 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 02:55:31,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 02:55:31,950 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 73 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:31,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 117 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:55:31,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 02:55:31,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 02:55:31,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 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 02:55:31,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2023-11-29 02:55:31,964 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 142 [2023-11-29 02:55:31,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:31,967 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2023-11-29 02:55:31,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 02:55:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2023-11-29 02:55:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:55:31,970 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:31,970 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, 1] [2023-11-29 02:55:31,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:55:32,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:32,173 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:32,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:32,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1451688388, now seen corresponding path program 1 times [2023-11-29 02:55:32,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:55:32,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428947023] [2023-11-29 02:55:32,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:32,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:55:32,216 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:55:32,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059402667] [2023-11-29 02:55:32,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:32,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:32,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:32,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:55:32,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:55:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:55:32,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:55:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:55:32,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:55:32,554 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:55:32,555 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:55:32,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 02:55:32,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:55:32,760 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 02:55:32,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:55:32,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:55:32 BoogieIcfgContainer [2023-11-29 02:55:32,849 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:55:32,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:55:32,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:55:32,850 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:55:32,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:30" (3/4) ... [2023-11-29 02:55:32,852 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:55:32,852 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:55:32,853 INFO L158 Benchmark]: Toolchain (without parser) took 3209.99ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 98.1MB in the beginning and 126.2MB in the end (delta: -28.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-29 02:55:32,854 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:55:32,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.43ms. Allocated memory is still 136.3MB. Free memory was 98.1MB in the beginning and 84.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 02:55:32,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.09ms. Allocated memory is still 136.3MB. Free memory was 84.5MB in the beginning and 80.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:55:32,855 INFO L158 Benchmark]: Boogie Preprocessor took 51.38ms. Allocated memory is still 136.3MB. Free memory was 80.9MB in the beginning and 76.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:55:32,856 INFO L158 Benchmark]: RCFGBuilder took 456.72ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 53.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-29 02:55:32,856 INFO L158 Benchmark]: TraceAbstraction took 2375.18ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 53.2MB in the beginning and 127.3MB in the end (delta: -74.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:55:32,857 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 199.2MB. Free memory was 127.3MB in the beginning and 126.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:55:32,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory was 108.7MB in the beginning and 108.5MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.43ms. Allocated memory is still 136.3MB. Free memory was 98.1MB in the beginning and 84.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.09ms. Allocated memory is still 136.3MB. Free memory was 84.5MB in the beginning and 80.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.38ms. Allocated memory is still 136.3MB. Free memory was 80.9MB in the beginning and 76.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 456.72ms. Allocated memory is still 136.3MB. Free memory was 76.2MB in the beginning and 53.7MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2375.18ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 53.2MB in the beginning and 127.3MB in the end (delta: -74.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 199.2MB. Free memory was 127.3MB in the beginning and 126.2MB in the end (delta: 1.0MB). 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 131. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 2; [L23] float var_1_2 = 255.5; [L24] float var_1_3 = 99.8; [L25] signed char var_1_4 = -25; [L26] signed long int var_1_5 = -16; [L27] float var_1_6 = 255.25; [L28] unsigned short int var_1_7 = 16; [L29] signed char var_1_8 = -10; [L30] signed char var_1_9 = -8; [L31] unsigned short int var_1_10 = 8; [L32] unsigned short int var_1_11 = 10000; [L33] unsigned short int var_1_12 = 5; [L34] signed short int var_1_13 = 200; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_15 = 0; [L37] unsigned short int var_1_16 = 35895; [L38] unsigned short int var_1_17 = 18336; [L39] unsigned char var_1_18 = 0; [L40] signed long int var_1_19 = -50; [L135] isInitial = 1 [L136] FCALL initially() [L137] COND TRUE 1 [L138] FCALL updateLastVariables() [L139] CALL updateVariables() [L91] var_1_2 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L92] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L93] var_1_3 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L95] var_1_4 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L96] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L97] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L97] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L98] var_1_5 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L99] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L100] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L100] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8] [L101] var_1_6 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=16, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=16, var_1_8=-10, var_1_9=-8] [L102] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=16, var_1_8=-10, var_1_9=-8] [L103] var_1_7 = __VERIFIER_nondet_ushort() [L104] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_8=-10, var_1_9=-8] [L104] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_8=-10, var_1_9=-8] [L105] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=-8] [L105] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=-8] [L106] var_1_9 = __VERIFIER_nondet_char() [L107] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L107] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L108] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L109] var_1_11 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_11 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L110] RET assume_abort_if_not(var_1_11 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_11 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L111] RET assume_abort_if_not(var_1_11 <= 16384) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L112] var_1_12 = __VERIFIER_nondet_ushort() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L114] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L115] var_1_14 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L116] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L117] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L118] var_1_16 = __VERIFIER_nondet_ushort() [L119] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L119] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_16 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L120] RET assume_abort_if_not(var_1_16 <= 65535) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L121] var_1_17 = __VERIFIER_nondet_ushort() [L122] CALL assume_abort_if_not(var_1_17 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L122] RET assume_abort_if_not(var_1_17 >= 16383) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L123] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L123] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L124] var_1_18 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L125] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L126] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L126] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L139] RET updateVariables() [L140] CALL step() [L44] signed long int stepLocal_0 = (((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)); VAL [isInitial=1, stepLocal_0=2, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L45] COND FALSE !(stepLocal_0 <= var_1_5) [L52] var_1_1 = var_1_7 VAL [isInitial=1, stepLocal_0=2, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=-10, var_1_9=0] [L54] COND TRUE (- var_1_7) < (var_1_5 * var_1_4) [L55] var_1_8 = var_1_9 VAL [isInitial=1, stepLocal_0=2, var_1_10=8, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L57] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12)) VAL [isInitial=1, stepLocal_0=2, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L58] COND FALSE !((var_1_6 * var_1_2) <= var_1_3) VAL [isInitial=1, stepLocal_0=2, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L65] signed long int stepLocal_1 = var_1_16 - (var_1_17 - 256); VAL [isInitial=1, stepLocal_0=2, stepLocal_1=33024, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L66] COND FALSE !(var_1_3 != var_1_6) [L73] var_1_15 = var_1_18 VAL [isInitial=1, stepLocal_0=2, stepLocal_1=33024, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L75] signed long int stepLocal_4 = - var_1_5; [L76] signed long int stepLocal_3 = var_1_7 + (128 + var_1_10); [L77] signed long int stepLocal_2 = ((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11; VAL [isInitial=1, stepLocal_0=2, stepLocal_1=33024, stepLocal_2=-1, stepLocal_3=21696, stepLocal_4=9300, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L78] COND TRUE var_1_10 < stepLocal_4 VAL [isInitial=1, stepLocal_0=2, stepLocal_1=33024, stepLocal_2=-1, stepLocal_3=21696, stepLocal_4=9300, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L79] COND FALSE !(stepLocal_3 <= var_1_8) VAL [isInitial=1, stepLocal_0=2, stepLocal_1=33024, stepLocal_2=-1, stepLocal_3=21696, stepLocal_4=9300, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_5) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_5 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (var_1_14 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_1 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_10 < (- var_1_5)) ? (((var_1_7 + (128 + var_1_10)) <= var_1_8) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_10 < (((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16)))) ; [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=2967, var_1_11=9300, var_1_12=16383, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=65535, var_1_17=32767, var_1_18=0, var_1_19=-50, var_1_1=18601, var_1_4=2, var_1_5=-9300, var_1_7=18601, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 172 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 5 NumberOfNonLiveVariables, 646 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 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 02:55:32,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:55:34,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:55:34,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:55:34,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:55:34,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:55:34,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:55:34,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:55:34,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:55:34,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:55:34,898 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:55:34,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:55:34,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:55:34,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:55:34,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:55:34,900 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:55:34,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:55:34,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:55:34,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:55:34,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:55:34,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:55:34,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:55:34,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:55:34,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:55:34,905 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:55:34,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:55:34,906 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:55:34,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:55:34,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:55:34,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:55:34,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:55:34,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:55:34,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:55:34,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:55:34,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:55:34,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:55:34,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:55:34,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:55:34,910 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:55:34,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:55:34,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:55:34,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:55:34,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:55:34,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:55:34,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:55:34,912 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:55:34,912 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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03 [2023-11-29 02:55:35,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:55:35,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:55:35,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:55:35,215 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:55:35,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:55:35,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-29 02:55:37,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:55:38,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:55:38,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i [2023-11-29 02:55:38,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data/df0474d28/c2ee59ac763f4f2c8190ba575f455b98/FLAG63eb02066 [2023-11-29 02:55:38,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/data/df0474d28/c2ee59ac763f4f2c8190ba575f455b98 [2023-11-29 02:55:38,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:55:38,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:55:38,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:55:38,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:55:38,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:55:38,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59589bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38, skipping insertion in model container [2023-11-29 02:55:38,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:55:38,408 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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-29 02:55:38,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:55:38,472 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:55:38,485 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_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930] [2023-11-29 02:55:38,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:55:38,533 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:55:38,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38 WrapperNode [2023-11-29 02:55:38,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:55:38,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:55:38,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:55:38,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:55:38,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,583 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-29 02:55:38,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:55:38,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:55:38,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:55:38,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:55:38,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,614 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 02:55:38,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:55:38,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:55:38,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:55:38,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:55:38,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (1/1) ... [2023-11-29 02:55:38,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:55:38,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:55:38,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:55:38,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:55:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:55:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:55:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:55:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:55:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:55:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:55:38,811 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:55:38,813 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:55:40,041 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:55:40,100 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:55:40,100 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:55:40,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:40 BoogieIcfgContainer [2023-11-29 02:55:40,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:55:40,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:55:40,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:55:40,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:55:40,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:55:38" (1/3) ... [2023-11-29 02:55:40,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415f07eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:55:40, skipping insertion in model container [2023-11-29 02:55:40,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:55:38" (2/3) ... [2023-11-29 02:55:40,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415f07eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:55:40, skipping insertion in model container [2023-11-29 02:55:40,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:55:40" (3/3) ... [2023-11-29 02:55:40,111 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-77.i [2023-11-29 02:55:40,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:55:40,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:55:40,171 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:55:40,176 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;@48170a07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:55:40,177 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:55:40,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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 02:55:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:55:40,197 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:40,198 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, 1] [2023-11-29 02:55:40,198 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:40,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:40,204 INFO L85 PathProgramCache]: Analyzing trace with hash -731401140, now seen corresponding path program 1 times [2023-11-29 02:55:40,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:55:40,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365317361] [2023-11-29 02:55:40,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:40,219 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 02:55:40,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:55:40,221 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:40,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:40,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:55:40,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:40,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-29 02:55:40,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:55:40,552 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:55:40,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365317361] [2023-11-29 02:55:40,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365317361] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:55:40,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:55:40,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:55:40,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546795274] [2023-11-29 02:55:40,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:40,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:55:40,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:55:40,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:55:40,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:55:40,589 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 02:55:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:41,011 INFO L93 Difference]: Finished difference Result 121 states and 215 transitions. [2023-11-29 02:55:41,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:55:41,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 142 [2023-11-29 02:55:41,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:41,031 INFO L225 Difference]: With dead ends: 121 [2023-11-29 02:55:41,031 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 02:55:41,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 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 02:55:41,038 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:41,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:55:41,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 02:55:41,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 02:55:41,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 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 02:55:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 92 transitions. [2023-11-29 02:55:41,083 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 92 transitions. Word has length 142 [2023-11-29 02:55:41,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:41,083 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 92 transitions. [2023-11-29 02:55:41,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 02:55:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2023-11-29 02:55:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:55:41,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:41,088 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, 1] [2023-11-29 02:55:41,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:41,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:41,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:41,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:41,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1451628806, now seen corresponding path program 1 times [2023-11-29 02:55:41,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:55:41,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839599235] [2023-11-29 02:55:41,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:41,292 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 02:55:41,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:55:41,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:41,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:41,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:55:41,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:55:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 590 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-11-29 02:55:42,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:55:43,017 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 02:55:43,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:55:43,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839599235] [2023-11-29 02:55:43,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839599235] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 02:55:43,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:55:43,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2023-11-29 02:55:43,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323798204] [2023-11-29 02:55:43,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:55:43,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:55:43,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:55:43,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:55:43,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:55:43,022 INFO L87 Difference]: Start difference. First operand 60 states and 92 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 02:55:43,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:55:43,423 INFO L93 Difference]: Finished difference Result 119 states and 183 transitions. [2023-11-29 02:55:43,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:55:43,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2023-11-29 02:55:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:55:43,436 INFO L225 Difference]: With dead ends: 119 [2023-11-29 02:55:43,436 INFO L226 Difference]: Without dead ends: 60 [2023-11-29 02:55:43,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2023-11-29 02:55:43,438 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 02:55:43,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 168 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 02:55:43,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-29 02:55:43,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-29 02:55:43,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 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 02:55:43,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions. [2023-11-29 02:55:43,449 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 142 [2023-11-29 02:55:43,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:55:43,451 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions. [2023-11-29 02:55:43,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 02:55:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions. [2023-11-29 02:55:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 02:55:43,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:55:43,455 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, 1] [2023-11-29 02:55:43,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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)] Ended with exit code 0 [2023-11-29 02:55:43,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:43,656 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:55:43,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:55:43,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1451688388, now seen corresponding path program 1 times [2023-11-29 02:55:43,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:55:43,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992878508] [2023-11-29 02:55:43,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:55:43,657 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 02:55:43,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:55:43,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 02:55:43,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 (4)] Waiting until timeout for monitored process [2023-11-29 02:55:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:55:43,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 02:55:43,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:12,280 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 03:08:12,280 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:08:12,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:08:12,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992878508] [2023-11-29 03:08:12,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992878508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:08:12,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:08:12,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 03:08:12,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274335583] [2023-11-29 03:08:12,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:08:12,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 03:08:12,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:08:12,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 03:08:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:08:12,283 INFO L87 Difference]: Start difference. First operand 60 states and 91 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 03:08:35,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:08:42,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:08:42,621 INFO L93 Difference]: Finished difference Result 128 states and 181 transitions. [2023-11-29 03:08:42,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:08:42,623 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2023-11-29 03:08:42,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:08:42,625 INFO L225 Difference]: With dead ends: 128 [2023-11-29 03:08:42,625 INFO L226 Difference]: Without dead ends: 126 [2023-11-29 03:08:42,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 20.9s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:08:42,626 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 122 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:08:42,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 369 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 23.0s Time] [2023-11-29 03:08:42,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-29 03:08:42,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 86. [2023-11-29 03:08:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 54 states have internal predecessors, (67), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-29 03:08:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 127 transitions. [2023-11-29 03:08:42,644 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 127 transitions. Word has length 142 [2023-11-29 03:08:42,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:08:42,645 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 127 transitions. [2023-11-29 03:08:42,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 03:08:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 127 transitions. [2023-11-29 03:08:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 03:08:42,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:42,648 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, 1] [2023-11-29 03:08:42,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 (4)] Ended with exit code 0 [2023-11-29 03:08:42,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 03:08:42,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:42,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:42,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1459314884, now seen corresponding path program 1 times [2023-11-29 03:08:42,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:08:42,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072066218] [2023-11-29 03:08:42,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:42,851 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 03:08:42,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:08:42,852 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 03:08:42,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b248d9-ae7c-44de-a5d6-e710b5dacff9/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 (5)] Waiting until timeout for monitored process [2023-11-29 03:08:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:43,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 03:08:43,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:09:26,070 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)