./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.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_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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_a843f953-192b-4ea3-8287-c245deef1ecb/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 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:07:57,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:07:57,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:07:57,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:07:57,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:07:57,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:07:57,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:07:57,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:07:57,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:07:57,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:07:57,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:07:57,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:07:57,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:07:57,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:07:57,555 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:07:57,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:07:57,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:07:57,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:07:57,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:07:57,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:07:57,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:07:57,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:07:57,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:07:57,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:07:57,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:07:57,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:07:57,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:07:57,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:07:57,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:07:57,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:07:57,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:07:57,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:07:57,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:07:57,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:07:57,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:07:57,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:07:57,568 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:07:57,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:07:57,568 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:07:57,569 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:07:57,569 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:07:57,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:07:57,570 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_a843f953-192b-4ea3-8287-c245deef1ecb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a [2024-10-31 22:07:57,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:07:57,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:07:57,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:07:57,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:07:57,881 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:07:57,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i Unable to find full path for "g++" [2024-10-31 22:08:00,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:00,361 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:00,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-10-31 22:08:00,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data/2b554bf86/618ef447587b437eb41c926ef9671d3c/FLAGe61d0f58c [2024-10-31 22:08:00,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data/2b554bf86/618ef447587b437eb41c926ef9671d3c [2024-10-31 22:08:00,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:00,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:00,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:00,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:00,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:00,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:00" (1/1) ... [2024-10-31 22:08:00,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2966ad7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:00, skipping insertion in model container [2024-10-31 22:08:00,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:00" (1/1) ... [2024-10-31 22:08:00,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:00,957 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_a843f953-192b-4ea3-8287-c245deef1ecb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-10-31 22:08:01,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:01,032 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:01,044 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_a843f953-192b-4ea3-8287-c245deef1ecb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-10-31 22:08:01,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:01,096 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:01,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01 WrapperNode [2024-10-31 22:08:01,097 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:01,098 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:01,098 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:01,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:01,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,159 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-10-31 22:08:01,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:01,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:01,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:01,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:01,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,188 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,212 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 22:08:01,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:01,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:01,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:01,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:01,254 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (1/1) ... [2024-10-31 22:08:01,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:01,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:01,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:01,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:08:01,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:08:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:01,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:01,432 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:01,434 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:01,844 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:01,844 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:01,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:01,865 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:01,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:01 BoogieIcfgContainer [2024-10-31 22:08:01,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:01,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:01,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:01,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:01,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:00" (1/3) ... [2024-10-31 22:08:01,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c7c0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:01, skipping insertion in model container [2024-10-31 22:08:01,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:01" (2/3) ... [2024-10-31 22:08:01,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c7c0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:01, skipping insertion in model container [2024-10-31 22:08:01,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:01" (3/3) ... [2024-10-31 22:08:01,876 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-40.i [2024-10-31 22:08:01,894 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:01,895 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:01,956 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:01,962 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;@2f07625a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:01,962 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:08:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-31 22:08:01,980 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:01,980 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:01,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:01,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:01,986 INFO L85 PathProgramCache]: Analyzing trace with hash -361794192, now seen corresponding path program 1 times [2024-10-31 22:08:01,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:01,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996754391] [2024-10-31 22:08:01,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:01,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:08:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:08:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:08:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:08:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:08:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:08:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:08:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:08:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:08:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 22:08:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:08:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:08:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:08:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-31 22:08:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:08:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:08:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-31 22:08:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:08:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:08:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:02,484 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-31 22:08:02,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:02,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996754391] [2024-10-31 22:08:02,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996754391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:02,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:02,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:02,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417971618] [2024-10-31 22:08:02,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:02,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:08:02,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:02,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:08:02,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:02,521 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:08:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:02,554 INFO L93 Difference]: Finished difference Result 121 states and 207 transitions. [2024-10-31 22:08:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:08:02,557 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2024-10-31 22:08:02,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:02,566 INFO L225 Difference]: With dead ends: 121 [2024-10-31 22:08:02,566 INFO L226 Difference]: Without dead ends: 60 [2024-10-31 22:08:02,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:02,574 INFO L432 NwaCegarLoop]: 90 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, 90 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 22:08:02,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:02,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-31 22:08:02,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-10-31 22:08:02,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:08:02,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 90 transitions. [2024-10-31 22:08:02,626 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 90 transitions. Word has length 121 [2024-10-31 22:08:02,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:02,627 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 90 transitions. [2024-10-31 22:08:02,627 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, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:08:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2024-10-31 22:08:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-31 22:08:02,632 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:02,632 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:02,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:08:02,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:02,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1774031446, now seen corresponding path program 1 times [2024-10-31 22:08:02,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:02,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564153743] [2024-10-31 22:08:02,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:02,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:08:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:08:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:08:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:08:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:08:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:08:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:08:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:08:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:08:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 22:08:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:08:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:08:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:08:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-31 22:08:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:08:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:08:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-31 22:08:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:08:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:08:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-31 22:08:03,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:03,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564153743] [2024-10-31 22:08:03,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564153743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:03,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:03,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:03,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786477265] [2024-10-31 22:08:03,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:03,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:08:03,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:03,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:03,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:03,276 INFO L87 Difference]: Start difference. First operand 60 states and 90 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-31 22:08:03,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:03,369 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2024-10-31 22:08:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:03,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 121 [2024-10-31 22:08:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:03,372 INFO L225 Difference]: With dead ends: 136 [2024-10-31 22:08:03,374 INFO L226 Difference]: Without dead ends: 79 [2024-10-31 22:08:03,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:03,376 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 23 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:03,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 264 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:03,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-31 22:08:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 67. [2024-10-31 22:08:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:08:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-10-31 22:08:03,398 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 121 [2024-10-31 22:08:03,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:03,403 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-10-31 22:08:03,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-31 22:08:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-10-31 22:08:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-31 22:08:03,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:03,408 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:03,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:08:03,409 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:03,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:03,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1925075857, now seen corresponding path program 1 times [2024-10-31 22:08:03,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:03,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531990182] [2024-10-31 22:08:03,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:03,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:08:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:08:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:08:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:08:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:08:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:08:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:08:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:08:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 22:08:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 22:08:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:08:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:08:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:08:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-31 22:08:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:08:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:08:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-31 22:08:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:08:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:08:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-31 22:08:03,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:03,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531990182] [2024-10-31 22:08:03,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531990182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:03,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:03,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:08:03,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637291350] [2024-10-31 22:08:03,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:03,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:08:03,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:03,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:08:03,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:03,849 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-31 22:08:04,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:04,014 INFO L93 Difference]: Finished difference Result 186 states and 275 transitions. [2024-10-31 22:08:04,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:08:04,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-10-31 22:08:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:04,017 INFO L225 Difference]: With dead ends: 186 [2024-10-31 22:08:04,017 INFO L226 Difference]: Without dead ends: 122 [2024-10-31 22:08:04,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:08:04,021 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 56 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:04,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 325 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:08:04,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-31 22:08:04,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 93. [2024-10-31 22:08:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 22:08:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 136 transitions. [2024-10-31 22:08:04,047 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 136 transitions. Word has length 122 [2024-10-31 22:08:04,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:04,050 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 136 transitions. [2024-10-31 22:08:04,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-31 22:08:04,051 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2024-10-31 22:08:04,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-31 22:08:04,056 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:04,056 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:04,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:08:04,057 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:04,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:04,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1338269843, now seen corresponding path program 1 times [2024-10-31 22:08:04,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:04,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107667179] [2024-10-31 22:08:04,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:08:04,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675914354] [2024-10-31 22:08:04,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:04,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:04,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:04,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:08:04,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:08:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:04,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:04,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:04,476 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:08:04,477 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:08:04,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:08:04,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:08:04,683 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-31 22:08:04,814 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:08:04,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:08:04 BoogieIcfgContainer [2024-10-31 22:08:04,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:08:04,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:04,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:04,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:04,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:01" (3/4) ... [2024-10-31 22:08:04,830 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:08:04,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:04,833 INFO L158 Benchmark]: Toolchain (without parser) took 4132.36ms. Allocated memory is still 180.4MB. Free memory was 143.9MB in the beginning and 94.7MB in the end (delta: 49.2MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2024-10-31 22:08:04,833 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:04,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.61ms. Allocated memory is still 180.4MB. Free memory was 143.2MB in the beginning and 129.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:08:04,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.92ms. Allocated memory is still 180.4MB. Free memory was 129.2MB in the beginning and 126.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:04,836 INFO L158 Benchmark]: Boogie Preprocessor took 88.28ms. Allocated memory is still 180.4MB. Free memory was 126.4MB in the beginning and 123.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:04,836 INFO L158 Benchmark]: RCFGBuilder took 615.92ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 104.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:08:04,837 INFO L158 Benchmark]: TraceAbstraction took 2955.21ms. Allocated memory is still 180.4MB. Free memory was 104.1MB in the beginning and 95.8MB in the end (delta: 8.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:04,837 INFO L158 Benchmark]: Witness Printer took 7.96ms. Allocated memory is still 180.4MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:04,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.61ms. Allocated memory is still 180.4MB. Free memory was 143.2MB in the beginning and 129.2MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.92ms. Allocated memory is still 180.4MB. Free memory was 129.2MB in the beginning and 126.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.28ms. Allocated memory is still 180.4MB. Free memory was 126.4MB in the beginning and 123.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.92ms. Allocated memory is still 180.4MB. Free memory was 123.6MB in the beginning and 104.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2955.21ms. Allocated memory is still 180.4MB. Free memory was 104.1MB in the beginning and 95.8MB in the end (delta: 8.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 7.96ms. Allocated memory is still 180.4MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 64; [L26] signed long int var_1_8 = -2; [L27] signed long int var_1_9 = -10; [L28] unsigned char var_1_11 = 128; [L29] unsigned char var_1_12 = 1; [L30] double var_1_13 = 8.4; [L31] double var_1_15 = 49.75; [L32] signed char var_1_16 = -2; [L33] signed char var_1_17 = 25; [L34] signed char var_1_18 = -5; [L35] float var_1_19 = 7.5; [L36] signed short int var_1_20 = 1; [L37] signed short int var_1_21 = -256; [L38] double last_1_var_1_13 = 8.4; VAL [isInitial=0, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=0, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=0, var_1_7=64, var_1_8=-2, var_1_9=-10] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-2, var_1_9=-10] [L73] var_1_8 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L74] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L75] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L76] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=-10] [L77] var_1_9 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L78] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L79] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L80] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=128, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L82] RET assume_abort_if_not(var_1_11 >= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L83] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=1, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L84] var_1_12 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L85] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L86] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=199/4, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L87] var_1_15 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L88] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=25, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L89] var_1_17 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L90] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L91] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-5, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L92] var_1_18 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L93] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L94] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-2, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L108] RET updateVariables() [L109] CALL step() [L42] COND TRUE \read(var_1_3) [L43] var_1_16 = ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=15/2, var_1_1=-4, var_1_20=1, var_1_21=-256, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L45] var_1_19 = var_1_15 [L46] var_1_20 = var_1_16 [L47] var_1_21 = var_1_18 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L48] COND TRUE \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L49] COND FALSE !(var_1_3 && (var_1_19 <= (- 63.9f))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] EXPR var_1_21 | var_1_16 VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=64, var_1_8=-1, var_1_9=3] [L57] COND TRUE ((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16) [L58] var_1_7 = (var_1_11 - var_1_12) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_13=42/5, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L62] COND TRUE var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19))) [L63] var_1_13 = (var_1_15 + (127.4 - 8.25)) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12))) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L100-L101] return ((((((var_1_2 ? ((var_1_3 && (var_1_19 <= (- 63.9f))) ? ((var_1_19 >= var_1_19) ? (var_1_3 ? (var_1_1 == ((signed long int) var_1_21)) : 1) : 1) : 1) : 1) && ((((var_1_16 / var_1_8) / var_1_9) >= (var_1_21 | var_1_16)) ? (var_1_7 == ((unsigned char) (var_1_11 - var_1_12))) : (var_1_7 == ((unsigned char) var_1_12)))) && ((var_1_19 != ((((last_1_var_1_13) < (var_1_19)) ? (last_1_var_1_13) : (var_1_19)))) ? (var_1_13 == ((double) (var_1_15 + (127.4 - 8.25)))) : 1)) && (var_1_3 ? (var_1_16 == ((signed char) ((((var_1_17) > ((-2 + var_1_18))) ? (var_1_17) : ((-2 + var_1_18)))))) : 1)) && (var_1_19 == ((float) var_1_15))) && (var_1_20 == ((signed short int) var_1_16))) && (var_1_21 == ((signed short int) var_1_18)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=42/5, var_1_11=127, var_1_12=0, var_1_15=2, var_1_16=-1, var_1_17=-1, var_1_18=-1, var_1_19=2, var_1_1=-4, var_1_20=-1, var_1_21=-1, var_1_2=1, var_1_3=1, var_1_7=127, var_1_8=-1, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 679 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 381 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 298 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2052/2052 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 22:08:04,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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_a843f953-192b-4ea3-8287-c245deef1ecb/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 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:07,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:07,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:08:07,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:07,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:07,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:07,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:07,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:07,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:07,826 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:07,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:07,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:07,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:07,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:07,828 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:07,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:07,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:07,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:08:07,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:08:07,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:07,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:07,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:07,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:07,834 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:08:07,834 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:08:07,835 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:07,835 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:08:07,835 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:08:07,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:07,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:07,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:07,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:07,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:07,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:07,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:07,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:07,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:07,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:07,839 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:08:07,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:08:07,839 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:07,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:07,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:07,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:07,840 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:08:07,840 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_a843f953-192b-4ea3-8287-c245deef1ecb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4489e800ee4794c55791b1f834830bc313f49297425e5ef7d1ffd16c6d31677a [2024-10-31 22:08:08,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:08,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:08,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:08,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:08,316 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:08,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i Unable to find full path for "g++" [2024-10-31 22:08:10,467 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:10,768 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:10,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i [2024-10-31 22:08:10,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data/a40baf08b/3a6a7c62cfe14efa998963999b5c2114/FLAG8e57597ce [2024-10-31 22:08:11,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/data/a40baf08b/3a6a7c62cfe14efa998963999b5c2114 [2024-10-31 22:08:11,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:11,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:11,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:11,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:11,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:11,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258e3a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11, skipping insertion in model container [2024-10-31 22:08:11,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,106 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:11,337 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_a843f953-192b-4ea3-8287-c245deef1ecb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-10-31 22:08:11,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:11,436 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:11,452 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_a843f953-192b-4ea3-8287-c245deef1ecb/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-40.i[913,926] [2024-10-31 22:08:11,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:11,521 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:11,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11 WrapperNode [2024-10-31 22:08:11,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:11,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:11,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:11,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:11,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,549 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,595 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-10-31 22:08:11,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:11,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:11,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:11,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:11,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,620 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,638 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 22:08:11,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:11,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:11,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:11,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:11,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (1/1) ... [2024-10-31 22:08:11,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:11,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:11,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:11,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:08:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:08:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:08:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:11,910 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:11,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:15,093 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:15,093 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:15,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:15,111 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:15,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:15 BoogieIcfgContainer [2024-10-31 22:08:15,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:15,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:15,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:15,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:15,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:11" (1/3) ... [2024-10-31 22:08:15,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8a757e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:15, skipping insertion in model container [2024-10-31 22:08:15,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:11" (2/3) ... [2024-10-31 22:08:15,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8a757e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:15, skipping insertion in model container [2024-10-31 22:08:15,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:15" (3/3) ... [2024-10-31 22:08:15,127 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-40.i [2024-10-31 22:08:15,148 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:15,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:15,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:15,235 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;@36704517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:15,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:08:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-31 22:08:15,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:15,255 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:15,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:15,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:15,261 INFO L85 PathProgramCache]: Analyzing trace with hash -261305118, now seen corresponding path program 1 times [2024-10-31 22:08:15,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:08:15,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676606476] [2024-10-31 22:08:15,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:15,273 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 22:08:15,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:08:15,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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 22:08:15,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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 22:08:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:15,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:08:15,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:08:15,796 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-10-31 22:08:15,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:08:15,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:08:15,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676606476] [2024-10-31 22:08:15,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676606476] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:15,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:15,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:08:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222180161] [2024-10-31 22:08:15,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:15,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:08:15,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:08:15,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:08:15,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:08:15,838 INFO L87 Difference]: Start difference. First operand has 55 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:08:15,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:15,874 INFO L93 Difference]: Finished difference Result 103 states and 179 transitions. [2024-10-31 22:08:15,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:08:15,876 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2024-10-31 22:08:15,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:15,884 INFO L225 Difference]: With dead ends: 103 [2024-10-31 22:08:15,885 INFO L226 Difference]: Without dead ends: 51 [2024-10-31 22:08:15,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 22:08:15,892 INFO L432 NwaCegarLoop]: 76 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, 76 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 22:08:15,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:15,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-31 22:08:15,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-31 22:08:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:08:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 76 transitions. [2024-10-31 22:08:15,944 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 76 transitions. Word has length 118 [2024-10-31 22:08:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:15,945 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 76 transitions. [2024-10-31 22:08:15,945 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:08:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2024-10-31 22:08:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-31 22:08:15,950 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:15,950 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:15,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:08:16,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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 22:08:16,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:16,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:16,152 INFO L85 PathProgramCache]: Analyzing trace with hash -88781080, now seen corresponding path program 1 times [2024-10-31 22:08:16,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:08:16,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332060471] [2024-10-31 22:08:16,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:16,154 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 22:08:16,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:08:16,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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 22:08:16,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a843f953-192b-4ea3-8287-c245deef1ecb/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 22:08:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:16,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 22:08:16,675 INFO L278 TraceCheckSpWp]: Computing forward predicates...