./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC --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 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:19:36,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:19:36,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:19:36,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:19:36,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:19:36,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:19:36,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:19:36,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:19:36,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:19:36,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:19:36,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:19:36,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:19:36,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:19:36,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:19:36,244 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:19:36,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:19:36,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:19:36,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:19:36,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:19:36,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:19:36,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:19:36,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:19:36,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:19:36,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:19:36,248 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:19:36,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:19:36,249 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:19:36,249 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:19:36,249 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:19:36,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:19:36,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:19:36,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:19:36,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:19:36,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:19:36,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:19:36,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:19:36,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:19:36,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:19:36,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:19:36,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:19:36,253 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:19:36,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:19:36,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:19:36,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:19:36,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:19:36,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:19:36,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:19:36,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:19:36,254 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC 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 -> 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 [2024-11-23 23:19:36,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:19:36,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:19:36,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:19:36,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:19:36,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:19:36,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-23 23:19:40,607 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/11beef5b3/b09df81bf87c4bbb9ce2e4e8bfaf9fbd/FLAGe9a983e04 [2024-11-23 23:19:41,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:19:41,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-23 23:19:41,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/11beef5b3/b09df81bf87c4bbb9ce2e4e8bfaf9fbd/FLAGe9a983e04 [2024-11-23 23:19:41,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/11beef5b3/b09df81bf87c4bbb9ce2e4e8bfaf9fbd [2024-11-23 23:19:41,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:19:41,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:19:41,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:19:41,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:19:41,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:19:41,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1387e093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41, skipping insertion in model container [2024-11-23 23:19:41,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:19:41,358 WARN L250 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_43381399-096a-4388-9ab2-d00835c028bc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-23 23:19:41,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:19:41,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:19:41,471 WARN L250 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_43381399-096a-4388-9ab2-d00835c028bc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-23 23:19:41,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:19:41,548 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:19:41,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41 WrapperNode [2024-11-23 23:19:41,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:19:41,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:19:41,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:19:41,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:19:41,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,621 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-23 23:19:41,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:19:41,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:19:41,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:19:41,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:19:41,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,675 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]. [2024-11-23 23:19:41,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,688 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:19:41,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:19:41,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:19:41,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:19:41,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (1/1) ... [2024-11-23 23:19:41,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:19:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:19:41,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:19:41,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:19:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:19:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:19:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:19:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:19:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:19:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:19:41,954 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:19:41,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:19:42,428 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-23 23:19:42,429 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:19:42,443 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:19:42,443 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:19:42,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:19:42 BoogieIcfgContainer [2024-11-23 23:19:42,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:19:42,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:19:42,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:19:42,455 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:19:42,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:19:41" (1/3) ... [2024-11-23 23:19:42,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7801f462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:19:42, skipping insertion in model container [2024-11-23 23:19:42,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:41" (2/3) ... [2024-11-23 23:19:42,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7801f462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:19:42, skipping insertion in model container [2024-11-23 23:19:42,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:19:42" (3/3) ... [2024-11-23 23:19:42,459 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-23 23:19:42,481 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:19:42,483 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:19:42,559 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:19:42,581 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;@5989dd10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:19:42,581 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:19:42,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 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) [2024-11-23 23:19:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 23:19:42,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:42,608 INFO L218 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] [2024-11-23 23:19:42,609 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:42,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:42,616 INFO L85 PathProgramCache]: Analyzing trace with hash 838903141, now seen corresponding path program 1 times [2024-11-23 23:19:42,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:19:42,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461265314] [2024-11-23 23:19:42,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:42,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:19:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 23:19:42,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:19:42,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461265314] [2024-11-23 23:19:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461265314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:19:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322556838] [2024-11-23 23:19:42,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:42,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:19:42,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:19:42,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:19:42,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:19:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:19:43,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:19:43,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:19:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-23 23:19:43,370 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:19:43,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322556838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:19:43,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:19:43,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:19:43,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011593467] [2024-11-23 23:19:43,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:19:43,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:19:43,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:19:43,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:19:43,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:19:43,421 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:19:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:19:43,471 INFO L93 Difference]: Finished difference Result 107 states and 177 transitions. [2024-11-23 23:19:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:19:43,474 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 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 114 [2024-11-23 23:19:43,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:19:43,482 INFO L225 Difference]: With dead ends: 107 [2024-11-23 23:19:43,482 INFO L226 Difference]: Without dead ends: 51 [2024-11-23 23:19:43,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:19:43,494 INFO L435 NwaCegarLoop]: 78 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, 78 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 [2024-11-23 23:19:43,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:19:43,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-23 23:19:43,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-23 23:19:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 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) [2024-11-23 23:19:43,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2024-11-23 23:19:43,562 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 114 [2024-11-23 23:19:43,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:19:43,563 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2024-11-23 23:19:43,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-23 23:19:43,563 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-23 23:19:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 23:19:43,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:19:43,570 INFO L218 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] [2024-11-23 23:19:43,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 23:19:43,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:19:43,772 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:19:43,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:19:43,773 INFO L85 PathProgramCache]: Analyzing trace with hash 579926309, now seen corresponding path program 1 times [2024-11-23 23:19:43,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:19:43,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420418884] [2024-11-23 23:19:43,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:19:43,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:19:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:19:44,043 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:19:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:19:44,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:19:44,212 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:19:44,214 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:19:44,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:19:44,221 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 23:19:44,314 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:19:44,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:19:44 BoogieIcfgContainer [2024-11-23 23:19:44,319 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:19:44,320 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:19:44,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:19:44,321 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:19:44,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:19:42" (3/4) ... [2024-11-23 23:19:44,325 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:19:44,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:19:44,328 INFO L158 Benchmark]: Toolchain (without parser) took 3253.94ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 50.4MB in the end (delta: 42.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-23 23:19:44,328 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:19:44,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.80ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:19:44,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.32ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:19:44,329 INFO L158 Benchmark]: Boogie Preprocessor took 84.78ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:19:44,330 INFO L158 Benchmark]: RCFGBuilder took 735.96ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 61.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:19:44,330 INFO L158 Benchmark]: TraceAbstraction took 1871.68ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 50.4MB in the end (delta: 10.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-23 23:19:44,331 INFO L158 Benchmark]: Witness Printer took 6.28ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:19:44,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.80ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.32ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.78ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 735.96ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 61.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1871.68ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 50.4MB in the end (delta: 10.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 6.28ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_4 = 2.6; [L25] double var_1_5 = 128.5; [L26] float var_1_7 = 1.25; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] unsigned char var_1_10 = 0; [L30] signed char var_1_11 = -1; [L31] signed char var_1_12 = -10; [L32] signed char var_1_13 = -32; [L33] signed char var_1_14 = -2; [L34] unsigned long int var_1_15 = 500; [L35] unsigned long int var_1_16 = 16; [L36] float last_1_var_1_1 = 255.3; [L37] unsigned char last_1_var_1_8 = 0; VAL [isInitial=0, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L105] isInitial = 1 [L106] FCALL initially() [L107] int k_loop; [L108] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L108] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L109] CALL updateLastVariables() [L97] last_1_var_1_1 = var_1_1 [L98] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L109] RET updateLastVariables() [L110] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L68] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L69] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L70] var_1_4 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L71] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L72] var_1_5 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L73] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L74] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L76] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L79] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L80] var_1_10 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L82] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L84] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L85] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L89] var_1_14 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L92] var_1_16 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L110] RET updateVariables() [L111] CALL step() [L41] COND FALSE !(((- last_1_var_1_1) / var_1_3) != (var_1_4 / var_1_5)) [L48] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=0, var_1_9=1] [L50] COND FALSE !(var_1_1 != var_1_1) [L55] var_1_8 = (! var_1_10) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_1) [L62] var_1_11 = (var_1_13 + var_1_14) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L64] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L111] RET step() [L112] CALL, EXPR property() [L101-L102] return ((((((- last_1_var_1_1) / var_1_3) != (var_1_4 / var_1_5)) ? (last_1_var_1_8 ? (var_1_1 == ((float) var_1_7)) : (var_1_1 == ((float) var_1_7))) : (var_1_1 == ((float) var_1_7))) && ((var_1_1 != var_1_1) ? ((var_1_1 < (var_1_1 * 15.25)) ? (var_1_8 == ((unsigned char) (! var_1_9))) : 1) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_1 < var_1_1) ? (var_1_10 ? (var_1_11 == ((signed char) var_1_12)) : 1) : (var_1_11 == ((signed char) (var_1_13 + var_1_14))))) && (var_1_15 == ((unsigned long int) var_1_16)) ; VAL [\result=0, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=126, var_1_13=62, var_1_14=-63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, 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, 78 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, 78 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 342 NumberOfCodeBlocks, 342 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 262 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 23:19:44,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC --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 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:19:47,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:19:48,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:19:48,022 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:19:48,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:19:48,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:19:48,053 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:19:48,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:19:48,054 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:19:48,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:19:48,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:19:48,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:19:48,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:19:48,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:19:48,055 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:19:48,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:19:48,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:19:48,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:19:48,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:19:48,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:19:48,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:19:48,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:19:48,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:19:48,056 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:19:48,057 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:19:48,057 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:19:48,057 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:19:48,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:19:48,057 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:19:48,057 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:19:48,057 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:19:48,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:19:48,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:19:48,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:19:48,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:19:48,058 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:19:48,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:19:48,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:19:48,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:19:48,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:19:48,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:19:48,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:19:48,059 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:19:48,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:19:48,059 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:19:48,059 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:19:48,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:19:48,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:19:48,060 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:19:48,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:19:48,060 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC 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 -> 8d967df176a3fd5ac0c12ff3bbfde8cbb01bd6c0de3c75d24920428ec3dcf217 [2024-11-23 23:19:48,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:19:48,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:19:48,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:19:48,556 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:19:48,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:19:48,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-23 23:19:52,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/364683620/6c8c82882df4453db5e4b2f6c368ad37/FLAG17e64723f [2024-11-23 23:19:52,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:19:52,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-23 23:19:52,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/364683620/6c8c82882df4453db5e4b2f6c368ad37/FLAG17e64723f [2024-11-23 23:19:52,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/data/364683620/6c8c82882df4453db5e4b2f6c368ad37 [2024-11-23 23:19:52,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:19:52,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:19:52,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:19:52,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:19:52,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:19:52,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:52" (1/1) ... [2024-11-23 23:19:52,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1536940f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:52, skipping insertion in model container [2024-11-23 23:19:52,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:19:52" (1/1) ... [2024-11-23 23:19:53,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:19:53,238 WARN L250 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_43381399-096a-4388-9ab2-d00835c028bc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-23 23:19:53,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:19:53,359 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:19:53,376 WARN L250 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_43381399-096a-4388-9ab2-d00835c028bc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-93.i[915,928] [2024-11-23 23:19:53,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:19:53,464 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:19:53,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53 WrapperNode [2024-11-23 23:19:53,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:19:53,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:19:53,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:19:53,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:19:53,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,546 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-23 23:19:53,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:19:53,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:19:53,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:19:53,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:19:53,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,595 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]. [2024-11-23 23:19:53,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,616 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:19:53,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:19:53,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:19:53,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:19:53,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (1/1) ... [2024-11-23 23:19:53,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:19:53,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:19:53,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:19:53,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:19:53,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:19:53,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:19:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:19:53,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:19:53,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:19:53,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:19:53,857 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:19:53,860 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:20:05,417 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-23 23:20:05,418 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:20:05,432 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:20:05,432 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:20:05,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:20:05 BoogieIcfgContainer [2024-11-23 23:20:05,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:20:05,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:20:05,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:20:05,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:20:05,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:19:52" (1/3) ... [2024-11-23 23:20:05,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305c0333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:20:05, skipping insertion in model container [2024-11-23 23:20:05,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:19:53" (2/3) ... [2024-11-23 23:20:05,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305c0333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:20:05, skipping insertion in model container [2024-11-23 23:20:05,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:20:05" (3/3) ... [2024-11-23 23:20:05,447 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i [2024-11-23 23:20:05,467 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:20:05,470 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-93.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:20:05,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:20:05,590 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;@3c075a50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:20:05,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:20:05,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 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) [2024-11-23 23:20:05,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 23:20:05,639 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:20:05,640 INFO L218 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] [2024-11-23 23:20:05,640 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:20:05,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:20:05,648 INFO L85 PathProgramCache]: Analyzing trace with hash 838903141, now seen corresponding path program 1 times [2024-11-23 23:20:05,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:20:05,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524755270] [2024-11-23 23:20:05,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:20:05,665 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 [2024-11-23 23:20:05,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:20:05,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:20:05,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:20:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:20:07,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:20:07,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:20:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-23 23:20:07,945 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:20:07,946 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:20:07,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524755270] [2024-11-23 23:20:07,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524755270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:20:07,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:20:07,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:20:07,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536911261] [2024-11-23 23:20:07,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:20:07,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:20:07,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:20:07,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:20:07,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:20:07,986 INFO L87 Difference]: Start difference. First operand has 55 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-23 23:20:08,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:20:08,033 INFO L93 Difference]: Finished difference Result 106 states and 175 transitions. [2024-11-23 23:20:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:20:08,037 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (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 114 [2024-11-23 23:20:08,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:20:08,047 INFO L225 Difference]: With dead ends: 106 [2024-11-23 23:20:08,049 INFO L226 Difference]: Without dead ends: 50 [2024-11-23 23:20:08,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:20:08,059 INFO L435 NwaCegarLoop]: 75 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, 75 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 [2024-11-23 23:20:08,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:20:08,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-23 23:20:08,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-23 23:20:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 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) [2024-11-23 23:20:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-23 23:20:08,132 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 114 [2024-11-23 23:20:08,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:20:08,133 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-23 23:20:08,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (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) [2024-11-23 23:20:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-23 23:20:08,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-23 23:20:08,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:20:08,144 INFO L218 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] [2024-11-23 23:20:08,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:20:08,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:20:08,345 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:20:08,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:20:08,347 INFO L85 PathProgramCache]: Analyzing trace with hash 579926309, now seen corresponding path program 1 times [2024-11-23 23:20:08,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:20:08,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017611817] [2024-11-23 23:20:08,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:20:08,350 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 [2024-11-23 23:20:08,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:20:08,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:20:08,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:20:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:20:10,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-23 23:20:10,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:20:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 267 proven. 36 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-23 23:20:55,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:21:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-23 23:21:13,511 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:21:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017611817] [2024-11-23 23:21:13,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017611817] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:21:13,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:21:13,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-23 23:21:13,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471926819] [2024-11-23 23:21:13,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:21:13,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:21:13,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:21:13,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:21:13,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:21:13,518 INFO L87 Difference]: Start difference. First operand 50 states and 71 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-23 23:21:18,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:21:22,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:21:26,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:21:29,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:21:31,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:21:36,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:21:36,742 INFO L93 Difference]: Finished difference Result 88 states and 117 transitions. [2024-11-23 23:21:36,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:21:36,744 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2024-11-23 23:21:36,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:21:36,749 INFO L225 Difference]: With dead ends: 88 [2024-11-23 23:21:36,749 INFO L226 Difference]: Without dead ends: 86 [2024-11-23 23:21:36,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:21:36,753 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 63 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:21:36,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 362 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 86 Invalid, 3 Unknown, 0 Unchecked, 21.8s Time] [2024-11-23 23:21:36,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-23 23:21:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2024-11-23 23:21:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 44 states have internal predecessors, (48), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-23 23:21:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2024-11-23 23:21:36,789 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 114 [2024-11-23 23:21:36,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:21:36,790 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2024-11-23 23:21:36,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-23 23:21:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2024-11-23 23:21:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-23 23:21:36,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:21:36,794 INFO L218 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] [2024-11-23 23:21:36,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-23 23:21:36,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:21:36,996 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:21:36,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:21:36,997 INFO L85 PathProgramCache]: Analyzing trace with hash -746555504, now seen corresponding path program 1 times [2024-11-23 23:21:36,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:21:36,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875405088] [2024-11-23 23:21:36,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:21:36,998 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 [2024-11-23 23:21:36,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:21:37,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-23 23:21:37,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 23:21:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:21:39,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:21:39,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:21:57,001 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 288 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-23 23:21:57,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:22:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-23 23:22:01,723 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:22:01,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875405088] [2024-11-23 23:22:01,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875405088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:22:01,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:22:01,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-23 23:22:01,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870380122] [2024-11-23 23:22:01,724 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:22:01,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:22:01,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:22:01,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:22:01,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:22:01,727 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-23 23:22:13,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:22:17,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:22:21,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:22:26,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:22:30,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:22:34,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:22:35,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:22:35,945 INFO L93 Difference]: Finished difference Result 123 states and 166 transitions. [2024-11-23 23:22:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:22:35,962 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 115 [2024-11-23 23:22:35,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:22:35,963 INFO L225 Difference]: With dead ends: 123 [2024-11-23 23:22:35,963 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 23:22:35,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:22:35,966 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 131 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 138 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:22:35,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 76 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 116 Invalid, 6 Unknown, 0 Unchecked, 30.7s Time] [2024-11-23 23:22:35,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 23:22:35,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 23:22:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 23:22:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 23:22:35,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2024-11-23 23:22:35,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:22:35,969 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:22:35,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-23 23:22:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:22:35,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 23:22:35,977 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:22:36,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 23:22:36,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-23 23:22:36,184 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 23:22:36,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 23:23:03,159 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:23:03,179 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,180 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,181 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,182 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 23:23:03,183 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 23:23:03,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:23:03 BoogieIcfgContainer [2024-11-23 23:23:03,184 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:23:03,185 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:23:03,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:23:03,185 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:23:03,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:20:05" (3/4) ... [2024-11-23 23:23:03,189 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:23:03,197 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 23:23:03,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-23 23:23:03,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 23:23:03,203 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 23:23:03,204 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 23:23:03,320 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:23:03,321 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:23:03,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:23:03,323 INFO L158 Benchmark]: Toolchain (without parser) took 190355.20ms. Allocated memory was 83.9MB in the beginning and 587.2MB in the end (delta: 503.3MB). Free memory was 60.5MB in the beginning and 454.3MB in the end (delta: -393.7MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-11-23 23:23:03,324 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:23:03,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.44ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 47.1MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:23:03,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.55ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:23:03,325 INFO L158 Benchmark]: Boogie Preprocessor took 90.99ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:23:03,327 INFO L158 Benchmark]: RCFGBuilder took 11789.33ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 28.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:23:03,327 INFO L158 Benchmark]: TraceAbstraction took 177748.18ms. Allocated memory was 83.9MB in the beginning and 587.2MB in the end (delta: 503.3MB). Free memory was 27.8MB in the beginning and 462.4MB in the end (delta: -434.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-23 23:23:03,327 INFO L158 Benchmark]: Witness Printer took 136.28ms. Allocated memory is still 587.2MB. Free memory was 462.4MB in the beginning and 454.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:23:03,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.44ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 47.1MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.55ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 90.99ms. Allocated memory is still 83.9MB. Free memory was 45.4MB in the beginning and 43.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 11789.33ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 28.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 177748.18ms. Allocated memory was 83.9MB in the beginning and 587.2MB in the end (delta: 503.3MB). Free memory was 27.8MB in the beginning and 462.4MB in the end (delta: -434.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 136.28ms. Allocated memory is still 587.2MB. Free memory was 462.4MB in the beginning and 454.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 150.6s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 57.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 52.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 513 SdHoareTripleChecker+Invalid, 51.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 195 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 544 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.8s SatisfiabilityAnalysisTime, 85.1s InterpolantComputationTime, 343 NumberOfCodeBlocks, 343 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 567 ConstructedInterpolants, 0 QuantifiedInterpolants, 4336 SizeOfPredicates, 19 NumberOfNonLiveVariables, 555 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2700/3060 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:23:03,548 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-23 23:23:03,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43381399-096a-4388-9ab2-d00835c028bc/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE