./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:58,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:58,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:04:58,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:58,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:58,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:58,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:58,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:58,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:04:58,557 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:04:58,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:58,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:58,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:58,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:58,559 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:58,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:58,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:58,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:04:58,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:04:58,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:04:58,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:58,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:58,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:58,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:58,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:58,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:04:58,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:58,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:58,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:58,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:58,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:04:58,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:58,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:58,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:58,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:58,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:58,568 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:04:58,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:04:58,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:58,569 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:58,569 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:58,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:58,570 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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 [2024-10-31 22:04:58,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:58,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:58,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:58,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:58,982 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:58,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i Unable to find full path for "g++" [2024-10-31 22:05:01,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:01,539 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:01,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i [2024-10-31 22:05:01,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data/346681669/675af71b3d92448db78350130e841aac/FLAG607dfa12c [2024-10-31 22:05:01,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data/346681669/675af71b3d92448db78350130e841aac [2024-10-31 22:05:01,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:01,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:01,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:01,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:01,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:01,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:01" (1/1) ... [2024-10-31 22:05:01,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f288e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:01, skipping insertion in model container [2024-10-31 22:05:01,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:01" (1/1) ... [2024-10-31 22:05:01,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:02,159 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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2024-10-31 22:05:02,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:02,234 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:02,247 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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2024-10-31 22:05:02,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:02,301 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:02,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02 WrapperNode [2024-10-31 22:05:02,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:02,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:02,303 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:02,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:02,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,366 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-10-31 22:05:02,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:02,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:02,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:02,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:02,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,383 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,400 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 22:05:02,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,412 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:02,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:02,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:02,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:02,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (1/1) ... [2024-10-31 22:05:02,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:02,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:02,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:02,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:05:02,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:05:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:05:02,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:02,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:02,608 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:02,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:03,007 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:03,008 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:03,029 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:03,029 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:05:03,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:03 BoogieIcfgContainer [2024-10-31 22:05:03,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:03,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:03,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:03,037 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:03,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:01" (1/3) ... [2024-10-31 22:05:03,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eece6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:03, skipping insertion in model container [2024-10-31 22:05:03,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:02" (2/3) ... [2024-10-31 22:05:03,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eece6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:03, skipping insertion in model container [2024-10-31 22:05:03,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:03" (3/3) ... [2024-10-31 22:05:03,040 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-0.i [2024-10-31 22:05:03,056 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:03,056 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:03,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:03,136 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;@c469bcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:03,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:03,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:05:03,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-31 22:05:03,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:03,152 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:03,153 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:03,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:03,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1704122126, now seen corresponding path program 1 times [2024-10-31 22:05:03,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:03,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485265061] [2024-10-31 22:05:03,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:05:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:05:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:05:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:05:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:05:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:05:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:05:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:05:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:05:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:05:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:05:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:05:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:05:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:05:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:05:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:05:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:05:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-10-31 22:05:03,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:03,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485265061] [2024-10-31 22:05:03,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485265061] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:03,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:03,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:03,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961776396] [2024-10-31 22:05:03,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:03,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:05:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:03,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:05:03,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:05:03,612 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:05:03,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:03,653 INFO L93 Difference]: Finished difference Result 107 states and 184 transitions. [2024-10-31 22:05:03,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:05:03,656 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2024-10-31 22:05:03,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:03,664 INFO L225 Difference]: With dead ends: 107 [2024-10-31 22:05:03,664 INFO L226 Difference]: Without dead ends: 53 [2024-10-31 22:05:03,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 22:05:03,673 INFO L432 NwaCegarLoop]: 79 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, 79 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 22:05:03,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-31 22:05:03,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-31 22:05:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:05:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2024-10-31 22:05:03,725 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 117 [2024-10-31 22:05:03,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:03,728 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2024-10-31 22:05:03,728 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:05:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2024-10-31 22:05:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-31 22:05:03,735 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:03,735 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:03,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:05:03,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:03,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:03,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1814455314, now seen corresponding path program 1 times [2024-10-31 22:05:03,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:03,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812852674] [2024-10-31 22:05:03,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:03,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:03,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:05:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:04,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:05:04,217 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:05:04,219 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:05:04,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:04,225 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:05:04,324 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:05:04,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:05:04 BoogieIcfgContainer [2024-10-31 22:05:04,328 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:05:04,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:05:04,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:05:04,329 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:05:04,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:03" (3/4) ... [2024-10-31 22:05:04,337 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:05:04,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:05:04,339 INFO L158 Benchmark]: Toolchain (without parser) took 2416.91ms. Allocated memory is still 163.6MB. Free memory was 125.7MB in the beginning and 127.4MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:04,341 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:04,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.64ms. Allocated memory is still 163.6MB. Free memory was 125.7MB in the beginning and 110.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:05:04,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.32ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 107.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:04,343 INFO L158 Benchmark]: Boogie Preprocessor took 51.57ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 103.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:04,347 INFO L158 Benchmark]: RCFGBuilder took 610.14ms. Allocated memory is still 163.6MB. Free memory was 103.2MB in the beginning and 130.6MB in the end (delta: -27.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-10-31 22:05:04,347 INFO L158 Benchmark]: TraceAbstraction took 1294.80ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 127.4MB in the end (delta: 3.2MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-10-31 22:05:04,348 INFO L158 Benchmark]: Witness Printer took 9.26ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:04,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.64ms. Allocated memory is still 163.6MB. Free memory was 125.7MB in the beginning and 110.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.32ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 107.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.57ms. Allocated memory is still 163.6MB. Free memory was 107.4MB in the beginning and 103.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 610.14ms. Allocated memory is still 163.6MB. Free memory was 103.2MB in the beginning and 130.6MB in the end (delta: -27.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1294.80ms. Allocated memory is still 163.6MB. Free memory was 130.6MB in the beginning and 127.4MB in the end (delta: 3.2MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 9.26ms. Allocated memory is still 163.6MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 113, overapproximation of someBinaryFLOATComparisonOperation at line 113. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 32; [L25] signed long int var_1_4 = -32; [L26] signed long int var_1_5 = 2; [L27] signed short int var_1_6 = -10; [L28] unsigned long int var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] unsigned long int var_1_9 = 3470417420; [L31] unsigned char var_1_10 = 0; [L32] double var_1_11 = 32.875; [L33] double var_1_12 = 25.6; [L34] double var_1_13 = 1.75; [L35] float var_1_14 = 5.4; [L36] float var_1_15 = 127.5; [L37] float var_1_16 = 3.5; [L38] signed long int var_1_17 = 64; [L39] unsigned char var_1_18 = 64; VAL [isInitial=0, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_2=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L117] isInitial = 1 [L118] FCALL initially() [L119] COND TRUE 1 [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L80] var_1_2 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L81] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L82] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L82] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_3=32, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L83] var_1_3 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L84] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L85] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L85] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-32, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L86] var_1_4 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L87] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L88] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L88] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=3470417420] [L89] var_1_9 = __VERIFIER_nondet_ulong() [L90] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L90] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L91] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L91] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L92] var_1_10 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L93] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L94] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L94] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=263/8, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L95] var_1_11 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L96] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L97] var_1_12 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L98] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L99] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L99] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L100] var_1_13 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L101] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L102] var_1_15 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L103] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L104] var_1_16 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L105] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_18=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L106] var_1_18 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L107] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L108] CALL assume_abort_if_not(var_1_18 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L108] RET assume_abort_if_not(var_1_18 <= 255) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=0, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L121] RET updateVariables() [L122] CALL step() [L43] COND TRUE var_1_2 > (- var_1_3) [L44] var_1_1 = ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L48] COND TRUE var_1_3 < var_1_2 [L49] var_1_5 = ((var_1_2 - var_1_3) + var_1_4) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L51] COND TRUE var_1_2 < (- var_1_5) [L52] var_1_6 = (32 - var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L54] COND FALSE !(var_1_1 > var_1_3) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=0, var_1_9=-4294967301] [L59] COND FALSE !((- 8u) >= (var_1_9 - var_1_2)) [L62] var_1_8 = (((var_1_11 / var_1_12) >= var_1_13) || var_1_10) VAL [isInitial=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=1, var_1_9=-4294967301] [L64] COND FALSE !((var_1_12 * var_1_11) > var_1_13) [L71] var_1_14 = var_1_16 VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=64, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=1, var_1_9=-4294967301] [L73] COND TRUE ((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16))) [L74] var_1_17 = ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))) VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=2, var_1_18=0, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=1, var_1_9=-4294967301] [L122] RET step() [L123] CALL, EXPR property() [L113-L114] return (((((((var_1_2 > (- var_1_3)) ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_2 + var_1_4))) ? (var_1_3) : ((var_1_2 + var_1_4)))))) : (var_1_1 == ((signed long int) (((((1 - var_1_2)) < (16)) ? ((1 - var_1_2)) : (16)))))) && ((var_1_3 < var_1_2) ? (var_1_5 == ((signed long int) ((var_1_2 - var_1_3) + var_1_4))) : 1)) && ((var_1_2 < (- var_1_5)) ? (var_1_6 == ((signed short int) (32 - var_1_3))) : 1)) && ((var_1_1 > var_1_3) ? ((var_1_4 <= var_1_6) ? (var_1_7 == ((unsigned long int) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_2)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_11 / var_1_12) >= var_1_13) || var_1_10))))) && (((var_1_12 * var_1_11) > var_1_13) ? ((var_1_9 < var_1_5) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((var_1_11 + var_1_14) / 9.2) < ((((var_1_13) < (var_1_16)) ? (var_1_13) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((var_1_2) > (var_1_18)) ? (var_1_2) : (var_1_18))))) : (var_1_17 == ((signed long int) var_1_4))) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=2, var_1_18=0, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=1, var_1_9=-4294967301] [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=2, var_1_18=0, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=1, var_1_9=-4294967301] [L19] reach_error() VAL [isInitial=1, var_1_10=1, var_1_14=3470417425, var_1_16=3470417425, var_1_17=2, var_1_18=0, var_1_1=1, var_1_2=2, var_1_3=1, var_1_4=-5, var_1_5=-4, var_1_6=31, var_1_7=1, var_1_8=1, var_1_9=-4294967301] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 79 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 79 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 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 22:05:04,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:06,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:06,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:05:06,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:06,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:07,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:07,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:07,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:07,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:07,016 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:07,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:07,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:07,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:07,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:07,021 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:07,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:07,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:07,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:05:07,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:05:07,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:07,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:07,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:07,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:07,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:05:07,028 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:05:07,028 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:07,028 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:05:07,029 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:05:07,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:07,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:07,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:07,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:07,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:07,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:07,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:07,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:07,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:07,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:07,034 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:05:07,034 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:05:07,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:07,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:07,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:07,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:07,037 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:05:07,037 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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75183837198a67904a3a61f480ace7d79976c5c6c2ed857798c72fba443adac4 [2024-10-31 22:05:07,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:07,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:07,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:07,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:07,503 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:07,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i Unable to find full path for "g++" [2024-10-31 22:05:09,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:09,987 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:09,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i [2024-10-31 22:05:10,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data/a724deac6/083912534db848ce93fffbb00833712c/FLAG5b7281f70 [2024-10-31 22:05:10,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/data/a724deac6/083912534db848ce93fffbb00833712c [2024-10-31 22:05:10,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:10,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:10,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:10,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:10,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:10,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2789cfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10, skipping insertion in model container [2024-10-31 22:05:10,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:10,322 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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2024-10-31 22:05:10,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:10,421 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:10,437 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_75a2c03b-bd00-4242-a846-73d20bc3fc2f/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-0.i[912,925] [2024-10-31 22:05:10,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:10,517 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:10,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10 WrapperNode [2024-10-31 22:05:10,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:10,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:10,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:10,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:10,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,592 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-10-31 22:05:10,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:10,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:10,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:10,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:10,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,618 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,643 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 22:05:10,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:10,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:10,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:10,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:10,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (1/1) ... [2024-10-31 22:05:10,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:10,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:10,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:10,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:05:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:05:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:05:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:10,871 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:10,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:30,783 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:30,783 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:30,796 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:30,797 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:05:30,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:30 BoogieIcfgContainer [2024-10-31 22:05:30,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:30,800 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:30,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:30,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:30,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:10" (1/3) ... [2024-10-31 22:05:30,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dac0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:30, skipping insertion in model container [2024-10-31 22:05:30,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:10" (2/3) ... [2024-10-31 22:05:30,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dac0ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:30, skipping insertion in model container [2024-10-31 22:05:30,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:30" (3/3) ... [2024-10-31 22:05:30,807 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-0.i [2024-10-31 22:05:30,824 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:30,824 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:05:30,896 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:30,904 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;@5a8356b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:30,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:05:30,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:05:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-31 22:05:30,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:30,930 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:30,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:30,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:30,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1704122126, now seen corresponding path program 1 times [2024-10-31 22:05:30,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:30,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714018729] [2024-10-31 22:05:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:30,960 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 22:05:30,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:30,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 22:05:30,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 22:05:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:32,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:05:32,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-10-31 22:05:32,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:32,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:05:32,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [714018729] [2024-10-31 22:05:32,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [714018729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:32,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:32,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:05:33,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171043576] [2024-10-31 22:05:33,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:33,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:05:33,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:05:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:05:33,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:05:33,039 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:05:33,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:33,082 INFO L93 Difference]: Finished difference Result 107 states and 184 transitions. [2024-10-31 22:05:33,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:05:33,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2024-10-31 22:05:33,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:33,091 INFO L225 Difference]: With dead ends: 107 [2024-10-31 22:05:33,092 INFO L226 Difference]: Without dead ends: 53 [2024-10-31 22:05:33,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 22:05:33,099 INFO L432 NwaCegarLoop]: 79 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, 79 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 22:05:33,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:33,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-10-31 22:05:33,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-10-31 22:05:33,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:05:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 79 transitions. [2024-10-31 22:05:33,145 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 79 transitions. Word has length 117 [2024-10-31 22:05:33,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:33,146 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 79 transitions. [2024-10-31 22:05:33,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-10-31 22:05:33,146 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2024-10-31 22:05:33,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-31 22:05:33,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:33,150 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:33,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 22:05:33,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 22:05:33,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:05:33,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:33,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1814455314, now seen corresponding path program 1 times [2024-10-31 22:05:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:05:33,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877091255] [2024-10-31 22:05:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:33,355 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 22:05:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:05:33,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 22:05:33,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a2c03b-bd00-4242-a846-73d20bc3fc2f/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 22:05:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:36,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-31 22:05:36,075 INFO L278 TraceCheckSpWp]: Computing forward predicates...