./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU --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 c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:00:54,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:00:54,917 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:00:54,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:00:54,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:00:54,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:00:54,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:00:54,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:00:54,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:00:54,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:00:54,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:00:54,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:00:54,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:00:54,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:00:54,979 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:00:54,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:00:54,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:00:54,983 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:00:54,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:00:54,984 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:00:54,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:00:54,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:00:54,985 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:00:54,985 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:00:54,986 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:00:54,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:00:54,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:00:54,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:00:54,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:00:54,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:00:54,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:00:54,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:00:54,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:54,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:00:54,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:00:54,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:00:54,989 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:00:54,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:00:54,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:00:54,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:00:54,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:00:54,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:00:54,991 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_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb [2024-10-31 22:00:55,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:00:55,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:00:55,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:00:55,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:00:55,364 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:00:55,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i Unable to find full path for "g++" [2024-10-31 22:00:57,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:00:57,670 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:00:57,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i [2024-10-31 22:00:57,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data/6b22d527a/fa5fd27b94244861b9eeca0f763cc043/FLAGe56f8d936 [2024-10-31 22:00:57,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data/6b22d527a/fa5fd27b94244861b9eeca0f763cc043 [2024-10-31 22:00:57,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:00:57,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:00:57,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:57,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:00:57,714 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:00:57,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:57" (1/1) ... [2024-10-31 22:00:57,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1278e2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:57, skipping insertion in model container [2024-10-31 22:00:57,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:00:57" (1/1) ... [2024-10-31 22:00:57,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:00:57,943 WARN L251 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_da23cf61-f882-4bbb-bc8b-7a50f750abee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2024-10-31 22:00:58,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:58,058 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:00:58,074 WARN L251 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_da23cf61-f882-4bbb-bc8b-7a50f750abee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2024-10-31 22:00:58,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:00:58,159 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:00:58,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58 WrapperNode [2024-10-31 22:00:58,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:00:58,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:58,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:00:58,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:00:58,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,242 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-10-31 22:00:58,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:00:58,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:00:58,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:00:58,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:00:58,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,300 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:00:58,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:00:58,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:00:58,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:00:58,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:00:58,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (1/1) ... [2024-10-31 22:00:58,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:00:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:00:58,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:00:58,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:00:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:00:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:00:58,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:00:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:00:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:00:58,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:00:58,528 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:00:58,530 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:00:58,914 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:00:58,916 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:00:58,937 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:00:58,937 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:00:58,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:58 BoogieIcfgContainer [2024-10-31 22:00:58,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:00:58,941 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:00:58,941 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:00:58,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:00:58,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:00:57" (1/3) ... [2024-10-31 22:00:58,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc758a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:58, skipping insertion in model container [2024-10-31 22:00:58,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:00:58" (2/3) ... [2024-10-31 22:00:58,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc758a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:00:58, skipping insertion in model container [2024-10-31 22:00:58,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:58" (3/3) ... [2024-10-31 22:00:58,949 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-32.i [2024-10-31 22:00:58,968 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:00:58,968 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:00:59,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:00:59,056 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@12043523, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:00:59,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:00:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:00:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-31 22:00:59,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:59,103 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:59,103 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:00:59,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1402951041, now seen corresponding path program 1 times [2024-10-31 22:00:59,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:59,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875109736] [2024-10-31 22:00:59,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:59,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:00:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:00:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:00:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:00:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:00:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:00:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:00:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:00:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:00:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:00:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:00:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:00:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:00:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:00:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:00:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:00:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:00:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:00:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:00:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:00:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-31 22:00:59,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:00:59,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875109736] [2024-10-31 22:00:59,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875109736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:00:59,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:00:59,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:00:59,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879714550] [2024-10-31 22:00:59,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:00:59,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:00:59,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:00:59,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:00:59,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:00:59,660 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:00:59,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:00:59,690 INFO L93 Difference]: Finished difference Result 117 states and 201 transitions. [2024-10-31 22:00:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:00:59,692 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2024-10-31 22:00:59,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:00:59,701 INFO L225 Difference]: With dead ends: 117 [2024-10-31 22:00:59,702 INFO L226 Difference]: Without dead ends: 58 [2024-10-31 22:00:59,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:00:59,713 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:00:59,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:00:59,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-31 22:00:59,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-10-31 22:00:59,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:00:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions. [2024-10-31 22:00:59,764 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 123 [2024-10-31 22:00:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:00:59,764 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 87 transitions. [2024-10-31 22:00:59,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:00:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-10-31 22:00:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-31 22:00:59,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:00:59,768 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:00:59,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:00:59,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:00:59,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:00:59,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1225521275, now seen corresponding path program 1 times [2024-10-31 22:00:59,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:00:59,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449657305] [2024-10-31 22:00:59,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:00:59,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:00:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:01:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:01:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:01:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:01:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:01:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-31 22:01:00,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:00,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449657305] [2024-10-31 22:01:00,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449657305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:00,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:00,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:00,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010814576] [2024-10-31 22:01:00,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:00,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:00,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:00,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:00,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:00,338 INFO L87 Difference]: Start difference. First operand 58 states and 87 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-31 22:01:00,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:00,434 INFO L93 Difference]: Finished difference Result 168 states and 255 transitions. [2024-10-31 22:01:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:00,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2024-10-31 22:01:00,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:00,444 INFO L225 Difference]: With dead ends: 168 [2024-10-31 22:01:00,444 INFO L226 Difference]: Without dead ends: 113 [2024-10-31 22:01:00,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:00,446 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 44 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:00,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 160 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:00,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-31 22:01:00,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 110. [2024-10-31 22:01:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 69 states have (on average 1.318840579710145) internal successors, (91), 69 states have internal predecessors, (91), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-31 22:01:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 167 transitions. [2024-10-31 22:01:00,499 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 167 transitions. Word has length 123 [2024-10-31 22:01:00,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:00,500 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 167 transitions. [2024-10-31 22:01:00,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-31 22:01:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 167 transitions. [2024-10-31 22:01:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-31 22:01:00,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:00,506 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:00,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:01:00,507 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:00,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:00,508 INFO L85 PathProgramCache]: Analyzing trace with hash 549486087, now seen corresponding path program 1 times [2024-10-31 22:01:00,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:00,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805139998] [2024-10-31 22:01:00,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:00,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:01:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:01:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:01:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:01:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:01:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:01:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:01:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:01:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:01:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:01:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:01:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:00,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:01:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:01,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:01:01,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:01,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:01:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:01,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:01:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:01,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:01:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-10-31 22:01:01,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:01,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805139998] [2024-10-31 22:01:01,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805139998] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:01,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581466657] [2024-10-31 22:01:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:01,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:01,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:01,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:01,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:01:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:01,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:01:01,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-10-31 22:01:01,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:01,732 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-10-31 22:01:01,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581466657] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:01,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:01,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-10-31 22:01:01,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258273477] [2024-10-31 22:01:01,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:01,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:01:01,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:01,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:01:01,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:01:01,744 INFO L87 Difference]: Start difference. First operand 110 states and 167 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-31 22:01:02,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:02,188 INFO L93 Difference]: Finished difference Result 255 states and 381 transitions. [2024-10-31 22:01:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:01:02,189 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 123 [2024-10-31 22:01:02,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:02,192 INFO L225 Difference]: With dead ends: 255 [2024-10-31 22:01:02,192 INFO L226 Difference]: Without dead ends: 148 [2024-10-31 22:01:02,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 280 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:01:02,194 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 87 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:02,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 219 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:01:02,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-31 22:01:02,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 141. [2024-10-31 22:01:02,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.2380952380952381) internal successors, (104), 85 states have internal predecessors, (104), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-31 22:01:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 208 transitions. [2024-10-31 22:01:02,258 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 208 transitions. Word has length 123 [2024-10-31 22:01:02,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:02,263 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 208 transitions. [2024-10-31 22:01:02,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-31 22:01:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 208 transitions. [2024-10-31 22:01:02,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-31 22:01:02,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:02,269 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:02,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:01:02,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:02,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:02,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:02,471 INFO L85 PathProgramCache]: Analyzing trace with hash -219419195, now seen corresponding path program 1 times [2024-10-31 22:01:02,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:02,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557556068] [2024-10-31 22:01:02,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:02,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:02,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:02,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:02,760 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:01:02,761 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:01:02,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:01:02,766 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:01:02,873 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:01:02,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:01:02 BoogieIcfgContainer [2024-10-31 22:01:02,880 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:01:02,881 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:01:02,881 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:01:02,881 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:01:02,881 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:00:58" (3/4) ... [2024-10-31 22:01:02,884 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:01:02,886 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:01:02,888 INFO L158 Benchmark]: Toolchain (without parser) took 5183.15ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 100.2MB in the beginning and 105.7MB in the end (delta: -5.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-31 22:01:02,889 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:02,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.33ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 84.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:01:02,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.74ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 81.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:01:02,891 INFO L158 Benchmark]: Boogie Preprocessor took 91.09ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 76.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:01:02,892 INFO L158 Benchmark]: RCFGBuilder took 600.49ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 55.5MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:01:02,892 INFO L158 Benchmark]: TraceAbstraction took 3939.28ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 54.9MB in the beginning and 105.7MB in the end (delta: -50.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:02,892 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 178.3MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:02,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.33ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 84.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.74ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 81.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.09ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 76.1MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 600.49ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 55.5MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3939.28ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 54.9MB in the beginning and 105.7MB in the end (delta: -50.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 178.3MB. Free memory is still 105.7MB. 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 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] unsigned char last_1_var_1_1 = 2; [L43] unsigned char last_1_var_1_15 = 1; [L44] signed char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_15 = var_1_15 [L127] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=100, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L94] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L95] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L95] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L96] var_1_5 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L97] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L98] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L98] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L99] var_1_6 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L100] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L101] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L101] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_8=32, var_1_9=201/2] [L103] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_8=32, var_1_9=201/2] [L104] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L104] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L105] var_1_8 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_9=201/2] [L106] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_9=201/2] [L107] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L107] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L108] var_1_11 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L109] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L110] var_1_12 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L111] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L112] var_1_16 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L113] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L114] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L114] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L115] var_1_17 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L116] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L117] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L117] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L118] var_1_19 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L119] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L120] var_1_21 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L121] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L122] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L122] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L138] RET updateVariables() [L139] CALL step() [L48] COND FALSE !(var_1_5 >= var_1_6) [L57] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L59] unsigned char stepLocal_1 = var_1_15; [L60] unsigned char stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_0=-255, stepLocal_1=-255, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L61] COND TRUE var_1_17 || stepLocal_0 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, stepLocal_1=-255, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L62] COND TRUE var_1_15 && stepLocal_1 [L63] var_1_18 = (var_1_11 + var_1_19) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L68] COND FALSE !((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L77] COND TRUE var_1_11 == var_1_18 [L78] var_1_20 = ((var_1_5 + var_1_21) + var_1_8) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L80] COND FALSE !(-32 < var_1_13) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63, var_1_9=201/2] [L83] COND TRUE (var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5 [L84] var_1_9 = ((4.5f + var_1_11) - var_1_12) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L88] var_1_22 = var_1_12 [L89] var_1_23 = var_1_8 [L90] var_1_24 = var_1_6 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=-255, var_1_16=0, var_1_17=-255, var_1_1=2, var_1_20=64, var_1_21=-31, var_1_22=100000005, var_1_23=63, var_1_24=64, var_1_4=-40609, var_1_5=32, var_1_6=64, var_1_7=64, var_1_8=63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 466 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 251 IncrementalHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 258 mSDtfsCounter, 251 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 389 GetRequests, 378 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 616 NumberOfCodeBlocks, 616 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 610 ConstructedInterpolants, 0 QuantifiedInterpolants, 1000 SizeOfPredicates, 0 NumberOfNonLiveVariables, 299 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 3384/3420 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 [2024-10-31 22:01:02,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU --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 c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:05,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:06,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:01:06,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:06,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:06,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:06,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:06,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:06,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:06,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:06,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:06,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:06,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:06,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:06,074 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:06,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:06,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:06,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:06,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:06,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:06,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:06,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:06,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:06,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:01:06,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:01:06,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:06,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:01:06,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:06,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:06,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:06,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:06,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:06,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:06,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:06,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:06,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:06,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:06,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:06,090 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:01:06,090 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:01:06,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:06,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:06,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:06,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:06,094 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:01:06,094 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_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35ab03f4f4f78ac1af608465bb57e10aa6da013cafc0cae47ddeca5b98a94fb [2024-10-31 22:01:06,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:06,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:06,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:06,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:06,557 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:06,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i Unable to find full path for "g++" [2024-10-31 22:01:08,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:09,240 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:09,241 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i [2024-10-31 22:01:09,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data/e79491fe7/7cca64506e794270a369a59b27ad1ad9/FLAG06991846b [2024-10-31 22:01:09,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/data/e79491fe7/7cca64506e794270a369a59b27ad1ad9 [2024-10-31 22:01:09,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:09,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:09,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:09,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:09,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:09,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:09" (1/1) ... [2024-10-31 22:01:09,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40465f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:09, skipping insertion in model container [2024-10-31 22:01:09,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:09" (1/1) ... [2024-10-31 22:01:09,620 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:09,850 WARN L251 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_da23cf61-f882-4bbb-bc8b-7a50f750abee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2024-10-31 22:01:09,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:09,986 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:10,002 WARN L251 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_da23cf61-f882-4bbb-bc8b-7a50f750abee/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-32.i[913,926] [2024-10-31 22:01:10,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:10,086 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:10,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10 WrapperNode [2024-10-31 22:01:10,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:10,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:10,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:10,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:10,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,158 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-10-31 22:01:10,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:10,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:10,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:10,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:10,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,184 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,227 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:01:10,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:10,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:10,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:10,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:10,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (1/1) ... [2024-10-31 22:01:10,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:10,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:10,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:01:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:01:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:01:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:10,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:10,535 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:10,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:13,734 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:13,735 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:13,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:13,753 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:01:13,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:13 BoogieIcfgContainer [2024-10-31 22:01:13,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:13,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:13,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:13,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:13,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:09" (1/3) ... [2024-10-31 22:01:13,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e91c0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:13, skipping insertion in model container [2024-10-31 22:01:13,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:10" (2/3) ... [2024-10-31 22:01:13,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e91c0bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:13, skipping insertion in model container [2024-10-31 22:01:13,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:13" (3/3) ... [2024-10-31 22:01:13,763 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-32.i [2024-10-31 22:01:13,781 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:13,781 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:01:13,851 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:13,860 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d2b9b7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:13,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:01:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:01:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-31 22:01:13,882 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:13,883 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:13,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:13,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1402951041, now seen corresponding path program 1 times [2024-10-31 22:01:13,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:01:13,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881054798] [2024-10-31 22:01:13,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:13,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:01:13,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:01:13,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:01:13,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:01:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:14,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:01:14,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-10-31 22:01:14,396 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:01:14,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:01:14,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881054798] [2024-10-31 22:01:14,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881054798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:14,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:14,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:14,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035820343] [2024-10-31 22:01:14,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:14,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:01:14,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:01:14,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:01:14,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:14,440 INFO L87 Difference]: Start difference. First operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:01:14,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:14,490 INFO L93 Difference]: Finished difference Result 117 states and 201 transitions. [2024-10-31 22:01:14,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:01:14,494 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2024-10-31 22:01:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:14,508 INFO L225 Difference]: With dead ends: 117 [2024-10-31 22:01:14,508 INFO L226 Difference]: Without dead ends: 58 [2024-10-31 22:01:14,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:14,520 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:14,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:14,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-10-31 22:01:14,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-10-31 22:01:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:01:14,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 87 transitions. [2024-10-31 22:01:14,588 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 87 transitions. Word has length 123 [2024-10-31 22:01:14,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:14,591 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 87 transitions. [2024-10-31 22:01:14,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:01:14,592 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-10-31 22:01:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-31 22:01:14,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:14,601 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:14,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:01:14,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:01:14,803 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:14,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:14,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1225521275, now seen corresponding path program 1 times [2024-10-31 22:01:14,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:01:14,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25692241] [2024-10-31 22:01:14,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:14,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:01:14,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:01:14,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:01:14,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:01:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:15,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:01:15,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 276 proven. 18 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-10-31 22:01:15,841 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-10-31 22:01:16,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:01:16,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25692241] [2024-10-31 22:01:16,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25692241] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:16,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:01:16,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2024-10-31 22:01:16,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536084302] [2024-10-31 22:01:16,570 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:16,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:01:16,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:01:16,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:01:16,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:01:16,575 INFO L87 Difference]: Start difference. First operand 58 states and 87 transitions. Second operand has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-31 22:01:21,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-31 22:01:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:24,022 INFO L93 Difference]: Finished difference Result 279 states and 403 transitions. [2024-10-31 22:01:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-10-31 22:01:24,023 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 123 [2024-10-31 22:01:24,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:24,027 INFO L225 Difference]: With dead ends: 279 [2024-10-31 22:01:24,028 INFO L226 Difference]: Without dead ends: 224 [2024-10-31 22:01:24,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=339, Invalid=1067, Unknown=0, NotChecked=0, Total=1406 [2024-10-31 22:01:24,031 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 322 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:24,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 630 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-10-31 22:01:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-31 22:01:24,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 211. [2024-10-31 22:01:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 130 states have (on average 1.2384615384615385) internal successors, (161), 131 states have internal predecessors, (161), 71 states have call successors, (71), 9 states have call predecessors, (71), 9 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2024-10-31 22:01:24,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 303 transitions. [2024-10-31 22:01:24,121 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 303 transitions. Word has length 123 [2024-10-31 22:01:24,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:24,122 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 303 transitions. [2024-10-31 22:01:24,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5) internal successors, (49), 14 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-31 22:01:24,122 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 303 transitions. [2024-10-31 22:01:24,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-31 22:01:24,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:24,129 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:24,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-31 22:01:24,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:01:24,333 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:24,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:24,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1994426557, now seen corresponding path program 1 times [2024-10-31 22:01:24,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:01:24,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045825948] [2024-10-31 22:01:24,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:24,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:01:24,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:01:24,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:01:24,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da23cf61-f882-4bbb-bc8b-7a50f750abee/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-31 22:01:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:24,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:01:24,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:25,461 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-31 22:01:25,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:01:25,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:01:25,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045825948] [2024-10-31 22:01:25,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045825948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:25,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:25,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:25,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890308801] [2024-10-31 22:01:25,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:25,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:25,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:01:25,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:25,465 INFO L87 Difference]: Start difference. First operand 211 states and 303 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-31 22:01:27,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []