./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:04,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:04,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:19:04,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:04,788 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:04,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:04,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:04,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:04,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:04,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:04,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:04,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:04,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:04,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:04,829 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:04,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:04,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:04,832 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:19:04,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:19:04,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:19:04,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:04,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:04,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:04,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:04,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:04,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:19:04,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:04,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:04,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:04,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:04,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:04,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:04,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:04,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:04,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:04,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:04,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:19:04,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:19:04,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:04,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:04,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:04,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:04,856 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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf [2024-10-31 22:19:05,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:05,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:05,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:05,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:05,236 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:05,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i Unable to find full path for "g++" [2024-10-31 22:19:07,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:07,534 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:07,535 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i [2024-10-31 22:19:07,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data/61c98732f/42bdd34b2a2c4598931fe1adf2a244a7/FLAG8eb8ca036 [2024-10-31 22:19:07,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data/61c98732f/42bdd34b2a2c4598931fe1adf2a244a7 [2024-10-31 22:19:07,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:07,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:07,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:07,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:07,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:07,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:07" (1/1) ... [2024-10-31 22:19:07,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7b4148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:07, skipping insertion in model container [2024-10-31 22:19:07,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:07" (1/1) ... [2024-10-31 22:19:07,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:07,867 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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2024-10-31 22:19:07,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:07,942 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:07,956 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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2024-10-31 22:19:07,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:08,003 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:08,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08 WrapperNode [2024-10-31 22:19:08,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:08,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:08,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:08,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:08,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,065 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-10-31 22:19:08,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:08,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:08,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:08,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:08,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,105 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 22:19:08,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:08,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:08,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:08,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:08,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (1/1) ... [2024-10-31 22:19:08,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:08,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:08,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:19:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:19:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:19:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:08,317 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:08,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:08,706 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:08,706 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:08,740 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:08,740 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:19:08,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:08 BoogieIcfgContainer [2024-10-31 22:19:08,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:08,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:19:08,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:19:08,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:19:08,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:19:07" (1/3) ... [2024-10-31 22:19:08,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7508337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:08, skipping insertion in model container [2024-10-31 22:19:08,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:08" (2/3) ... [2024-10-31 22:19:08,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7508337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:08, skipping insertion in model container [2024-10-31 22:19:08,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:08" (3/3) ... [2024-10-31 22:19:08,766 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-28.i [2024-10-31 22:19:08,800 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:19:08,800 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:19:08,918 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:19:08,927 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;@124818f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:19:08,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:19:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-31 22:19:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-31 22:19:08,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:08,953 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:08,954 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:08,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:08,966 INFO L85 PathProgramCache]: Analyzing trace with hash -645560621, now seen corresponding path program 1 times [2024-10-31 22:19:08,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:08,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508108592] [2024-10-31 22:19:08,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:19:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:19:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:19:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:19:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:19:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:19:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:19:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:19:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:19:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:19:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:19:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 22:19:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-31 22:19:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:19:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-31 22:19:09,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:09,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508108592] [2024-10-31 22:19:09,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508108592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:09,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:09,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:09,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516652693] [2024-10-31 22:19:09,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:09,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:19:09,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:09,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:19:09,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:19:09,516 INFO L87 Difference]: Start difference. First operand has 56 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-31 22:19:09,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:09,553 INFO L93 Difference]: Finished difference Result 105 states and 168 transitions. [2024-10-31 22:19:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:19:09,556 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 96 [2024-10-31 22:19:09,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:09,566 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:19:09,567 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:19:09,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 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 22:19:09,583 INFO L432 NwaCegarLoop]: 71 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, 71 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 22:19:09,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:09,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:19:09,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:19:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-31 22:19:09,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2024-10-31 22:19:09,637 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 96 [2024-10-31 22:19:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:09,638 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2024-10-31 22:19:09,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-31 22:19:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2024-10-31 22:19:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-31 22:19:09,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:09,643 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:09,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:19:09,644 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:09,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:09,645 INFO L85 PathProgramCache]: Analyzing trace with hash 668714771, now seen corresponding path program 1 times [2024-10-31 22:19:09,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:09,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238202928] [2024-10-31 22:19:09,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:09,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:09,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:10,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:10,019 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:19:10,021 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:19:10,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:19:10,029 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:19:10,166 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:19:10,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:19:10 BoogieIcfgContainer [2024-10-31 22:19:10,172 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:19:10,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:19:10,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:19:10,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:19:10,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:08" (3/4) ... [2024-10-31 22:19:10,180 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:19:10,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:19:10,184 INFO L158 Benchmark]: Toolchain (without parser) took 2607.51ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 54.8MB in the end (delta: 43.2MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-10-31 22:19:10,184 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:10,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.54ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 83.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:19:10,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.95ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 81.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:19:10,188 INFO L158 Benchmark]: Boogie Preprocessor took 55.32ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:19:10,188 INFO L158 Benchmark]: RCFGBuilder took 618.63ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 62.4MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:19:10,193 INFO L158 Benchmark]: TraceAbstraction took 1423.53ms. Allocated memory is still 132.1MB. Free memory was 61.9MB in the beginning and 55.5MB in the end (delta: 6.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-10-31 22:19:10,193 INFO L158 Benchmark]: Witness Printer took 9.36ms. Allocated memory is still 132.1MB. Free memory was 55.5MB in the beginning and 54.8MB in the end (delta: 630.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:19:10,196 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 132.1MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.54ms. Allocated memory is still 132.1MB. Free memory was 98.1MB in the beginning and 83.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.95ms. Allocated memory is still 132.1MB. Free memory was 83.7MB in the beginning and 81.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.32ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.7MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 618.63ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 62.4MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1423.53ms. Allocated memory is still 132.1MB. Free memory was 61.9MB in the beginning and 55.5MB in the end (delta: 6.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 9.36ms. Allocated memory is still 132.1MB. Free memory was 55.5MB in the beginning and 54.8MB in the end (delta: 630.3kB). 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 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L23] float var_1_2 = 63.75; [L24] float var_1_3 = 255.75; [L25] signed char var_1_5 = 10; [L26] signed char var_1_6 = 4; [L27] signed char var_1_7 = -10; [L28] float var_1_8 = 4.75; [L29] float var_1_9 = 99.5; [L30] float var_1_10 = 255.9; [L31] float var_1_11 = 24.85; [L32] signed long int var_1_12 = -2; [L33] signed long int var_1_13 = 1629954775; [L34] signed long int var_1_15 = 1928642731; [L35] signed short int var_1_18 = 0; [L36] unsigned short int var_1_19 = 5; VAL [isInitial=0, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_2=255/4, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L61] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L64] var_1_5 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L65] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L67] var_1_6 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L68] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L69] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L69] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L70] var_1_7 = __VERIFIER_nondet_char() [L71] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L71] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L72] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L72] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4, var_1_9=199/2] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L75] var_1_10 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L76] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L77] var_1_13 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L78] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L79] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L79] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=1928642731, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L81] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L95] RET updateVariables() [L96] CALL step() [L40] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=19/4] [L41] COND TRUE stepLocal_0 < var_1_6 [L42] var_1_8 = ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=0, var_1_19=5, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] [L44] var_1_11 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) [L45] var_1_18 = var_1_5 [L46] var_1_19 = var_1_6 VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=1, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] [L47] COND TRUE (var_1_2 - var_1_3) <= (- var_1_8) [L48] var_1_1 = (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=4, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] [L52] EXPR var_1_6 | 5 VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=4, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] [L52] signed long int stepLocal_1 = var_1_6 | 5; [L53] COND TRUE stepLocal_1 <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7))) [L54] var_1_12 = (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=4, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR (((((var_1_2 - var_1_3) <= (- var_1_8)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) (var_1_6 + (((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) - var_1_19))))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=4, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] [L87-L88] return (((((((var_1_2 - var_1_3) <= (- var_1_8)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_19))) ? (var_1_6) : ((var_1_13 - var_1_19)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) (var_1_6 + (((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) - var_1_19)))))) && (var_1_18 == ((signed short int) var_1_5))) && (var_1_19 == ((unsigned short int) var_1_6)) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=4, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] [L19] reach_error() VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2147483520, var_1_13=1073741822, var_1_15=2147483646, var_1_18=126, var_1_19=0, var_1_1=4, var_1_5=126, var_1_6=0, var_1_7=4, var_1_8=2147483651, var_1_9=2147483651] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 71 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 22:19:10,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:19:12,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:19:12,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:19:13,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:19:13,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:19:13,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:19:13,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:19:13,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:19:13,060 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:19:13,065 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:19:13,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:19:13,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:19:13,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:19:13,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:19:13,067 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:19:13,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:19:13,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:19:13,070 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:19:13,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:19:13,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:19:13,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:19:13,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:19:13,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:19:13,073 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:19:13,074 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:19:13,074 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:19:13,074 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:19:13,075 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:19:13,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:19:13,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:19:13,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:19:13,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:19:13,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:19:13,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:19:13,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:13,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:19:13,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:19:13,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:19:13,080 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:19:13,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:19:13,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:19:13,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:19:13,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:19:13,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:19:13,083 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:19:13,083 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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b50568a5bee6511b42bf1cf0968d7f09eeaeacd32170fa25aff7f8f1a2e83cf [2024-10-31 22:19:13,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:19:13,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:19:13,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:19:13,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:19:13,543 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:19:13,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i Unable to find full path for "g++" [2024-10-31 22:19:15,636 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:15,903 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:15,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i [2024-10-31 22:19:15,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data/841e10499/f4161a7d3032407085f000322bbb7521/FLAG00d362b0f [2024-10-31 22:19:15,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/data/841e10499/f4161a7d3032407085f000322bbb7521 [2024-10-31 22:19:15,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:15,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:15,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:15,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:15,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:15,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:15" (1/1) ... [2024-10-31 22:19:15,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292c4192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:15, skipping insertion in model container [2024-10-31 22:19:15,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:15" (1/1) ... [2024-10-31 22:19:15,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:16,219 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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2024-10-31 22:19:16,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:16,323 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:16,341 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_fe198aef-7fc2-413f-911e-6b1a6f2125a2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-28.i[913,926] [2024-10-31 22:19:16,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:16,440 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:16,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16 WrapperNode [2024-10-31 22:19:16,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:16,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:16,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:16,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:16,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,506 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2024-10-31 22:19:16,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:16,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:16,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:16,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:16,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,559 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 22:19:16,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:16,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:16,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:16,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:16,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (1/1) ... [2024-10-31 22:19:16,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:19:16,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:16,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:16,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:19:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:19:16,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:19:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:16,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:16,792 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:16,795 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:17,331 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:17,331 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:17,347 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:17,348 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:19:17,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:17 BoogieIcfgContainer [2024-10-31 22:19:17,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:17,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:19:17,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:19:17,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:19:17,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:19:15" (1/3) ... [2024-10-31 22:19:17,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d71183c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:17, skipping insertion in model container [2024-10-31 22:19:17,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:16" (2/3) ... [2024-10-31 22:19:17,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d71183c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:19:17, skipping insertion in model container [2024-10-31 22:19:17,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:17" (3/3) ... [2024-10-31 22:19:17,360 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-28.i [2024-10-31 22:19:17,384 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:19:17,384 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:19:17,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:19:17,530 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;@19c27818, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:19:17,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:19:17,543 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-31 22:19:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:19:17,570 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:17,571 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:17,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:17,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:17,579 INFO L85 PathProgramCache]: Analyzing trace with hash -2128567644, now seen corresponding path program 1 times [2024-10-31 22:19:17,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:19:17,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397704209] [2024-10-31 22:19:17,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:17,607 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 22:19:17,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:19:17,609 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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 22:19:17,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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 22:19:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:17,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:19:17,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-10-31 22:19:17,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:17,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:19:17,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397704209] [2024-10-31 22:19:17,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397704209] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:17,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:17,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:19:17,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929370974] [2024-10-31 22:19:17,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:17,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:19:17,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:19:18,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:19:18,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:19:18,023 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-31 22:19:18,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:18,054 INFO L93 Difference]: Finished difference Result 87 states and 140 transitions. [2024-10-31 22:19:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:19:18,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2024-10-31 22:19:18,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:19:18,064 INFO L225 Difference]: With dead ends: 87 [2024-10-31 22:19:18,065 INFO L226 Difference]: Without dead ends: 43 [2024-10-31 22:19:18,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 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 22:19:18,072 INFO L432 NwaCegarLoop]: 59 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, 59 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 22:19:18,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:19:18,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-10-31 22:19:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-10-31 22:19:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-31 22:19:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions. [2024-10-31 22:19:18,121 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 93 [2024-10-31 22:19:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:19:18,122 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions. [2024-10-31 22:19:18,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-31 22:19:18,123 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2024-10-31 22:19:18,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:19:18,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:19:18,127 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:19:18,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:18,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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 22:19:18,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:19:18,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:18,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1087616412, now seen corresponding path program 1 times [2024-10-31 22:19:18,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:19:18,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099511840] [2024-10-31 22:19:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:18,334 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 22:19:18,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:19:18,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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 22:19:18,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe198aef-7fc2-413f-911e-6b1a6f2125a2/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 22:19:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:18,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-31 22:19:18,671 INFO L278 TraceCheckSpWp]: Computing forward predicates...