./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB --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 b7769f6e88057884e9f756ce4db3366a3e684d2e94a6b3544a7e6cd1c830e602 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:34:43,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:34:43,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:34:43,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:34:43,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:34:43,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:34:43,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:34:43,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:34:43,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:34:43,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:34:43,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:34:43,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:34:43,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:34:43,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:34:43,478 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:34:43,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:34:43,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:34:43,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:34:43,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:34:43,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:34:43,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:34:43,479 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:34:43,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:34:43,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:34:43,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:34:43,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:34:43,479 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:34:43,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:34:43,481 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:34:43,481 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:43,482 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:43,482 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:43,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:43,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:34:43,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:43,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:43,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:43,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:43,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:34:43,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:34:43,483 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:34:43,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:34:43,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:34:43,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:34:43,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:34:43,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:34:43,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:34:43,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:34:43,485 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_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB 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 -> b7769f6e88057884e9f756ce4db3366a3e684d2e94a6b3544a7e6cd1c830e602 [2024-11-28 04:34:43,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:34:43,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:34:43,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:34:43,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:34:43,814 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:34:43,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i [2024-11-28 04:34:47,417 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/96cc0328a/64ea45a751394f97a612b6b07628b697/FLAG8c3d91759 [2024-11-28 04:34:47,789 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:34:47,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i [2024-11-28 04:34:47,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/96cc0328a/64ea45a751394f97a612b6b07628b697/FLAG8c3d91759 [2024-11-28 04:34:47,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/96cc0328a/64ea45a751394f97a612b6b07628b697 [2024-11-28 04:34:47,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:34:47,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:34:47,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:47,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:34:47,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:34:47,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:47" (1/1) ... [2024-11-28 04:34:47,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062051d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:47, skipping insertion in model container [2024-11-28 04:34:47,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:47" (1/1) ... [2024-11-28 04:34:47,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:34:48,105 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_484d1381-388b-48b0-9c8c-f64df3557bf0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i[915,928] [2024-11-28 04:34:48,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:34:48,211 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:34:48,226 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_484d1381-388b-48b0-9c8c-f64df3557bf0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i[915,928] [2024-11-28 04:34:48,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:34:48,289 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:34:48,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48 WrapperNode [2024-11-28 04:34:48,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:48,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:34:48,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:34:48,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:34:48,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,384 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-28 04:34:48,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:34:48,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:34:48,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:34:48,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:34:48,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,411 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,445 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]. [2024-11-28 04:34:48,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,459 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:34:48,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:34:48,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:34:48,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:34:48,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (1/1) ... [2024-11-28 04:34:48,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:48,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:48,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:34:48,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:34:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:34:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:34:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:34:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:34:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:34:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:34:48,670 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:34:48,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:34:49,126 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 04:34:49,126 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:34:49,144 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:34:49,146 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:34:49,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:49 BoogieIcfgContainer [2024-11-28 04:34:49,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:34:49,150 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:34:49,150 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:34:49,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:34:49,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:34:47" (1/3) ... [2024-11-28 04:34:49,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83188bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:34:49, skipping insertion in model container [2024-11-28 04:34:49,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:48" (2/3) ... [2024-11-28 04:34:49,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83188bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:34:49, skipping insertion in model container [2024-11-28 04:34:49,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:49" (3/3) ... [2024-11-28 04:34:49,159 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-71.i [2024-11-28 04:34:49,182 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:34:49,186 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-71.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:34:49,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:34:49,296 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;@3ce53de3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:34:49,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:34:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:34:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:34:49,314 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:49,315 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:49,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:49,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:49,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1522757036, now seen corresponding path program 1 times [2024-11-28 04:34:49,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:49,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740186561] [2024-11-28 04:34:49,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:49,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 04:34:49,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:49,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740186561] [2024-11-28 04:34:49,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740186561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:34:49,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047809627] [2024-11-28 04:34:49,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:49,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:49,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:49,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:34:49,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:34:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:50,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:34:50,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 04:34:50,067 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:34:50,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047809627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:50,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:34:50,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:34:50,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834637587] [2024-11-28 04:34:50,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:50,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:34:50,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:50,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:34:50,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:34:50,109 INFO L87 Difference]: Start difference. First operand has 56 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 39 states have internal predecessors, (51), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 04:34:50,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:50,149 INFO L93 Difference]: Finished difference Result 105 states and 171 transitions. [2024-11-28 04:34:50,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:34:50,153 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2024-11-28 04:34:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:50,162 INFO L225 Difference]: With dead ends: 105 [2024-11-28 04:34:50,163 INFO L226 Difference]: Without dead ends: 52 [2024-11-28 04:34:50,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:34:50,173 INFO L435 NwaCegarLoop]: 74 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, 74 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 [2024-11-28 04:34:50,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:34:50,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-28 04:34:50,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-28 04:34:50,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:34:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-28 04:34:50,240 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 99 [2024-11-28 04:34:50,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:50,242 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-28 04:34:50,243 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 04:34:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-28 04:34:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 04:34:50,248 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:50,248 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:50,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:34:50,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:50,453 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:50,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:50,455 INFO L85 PathProgramCache]: Analyzing trace with hash 890589326, now seen corresponding path program 1 times [2024-11-28 04:34:50,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:50,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286016365] [2024-11-28 04:34:50,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:50,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 04:34:51,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:51,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286016365] [2024-11-28 04:34:51,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286016365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:51,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:51,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:34:51,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85186172] [2024-11-28 04:34:51,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:51,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:34:51,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:51,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:34:51,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:34:51,475 INFO L87 Difference]: Start difference. First operand 52 states and 74 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 04:34:51,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:51,692 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2024-11-28 04:34:51,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:34:51,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 99 [2024-11-28 04:34:51,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:51,695 INFO L225 Difference]: With dead ends: 106 [2024-11-28 04:34:51,695 INFO L226 Difference]: Without dead ends: 57 [2024-11-28 04:34:51,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:34:51,699 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 32 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:51,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 147 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:34:51,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-28 04:34:51,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-28 04:34:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:34:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 78 transitions. [2024-11-28 04:34:51,725 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 78 transitions. Word has length 99 [2024-11-28 04:34:51,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:51,726 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 78 transitions. [2024-11-28 04:34:51,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 04:34:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2024-11-28 04:34:51,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 04:34:51,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:51,730 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:51,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:34:51,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:51,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:51,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1510762366, now seen corresponding path program 1 times [2024-11-28 04:34:51,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:51,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838864318] [2024-11-28 04:34:51,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:51,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 04:34:53,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:53,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838864318] [2024-11-28 04:34:53,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838864318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:53,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:53,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:34:53,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475352644] [2024-11-28 04:34:53,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:53,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:34:53,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:53,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:34:53,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:34:53,011 INFO L87 Difference]: Start difference. First operand 57 states and 78 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 04:34:53,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:53,332 INFO L93 Difference]: Finished difference Result 130 states and 177 transitions. [2024-11-28 04:34:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:34:53,337 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2024-11-28 04:34:53,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:53,343 INFO L225 Difference]: With dead ends: 130 [2024-11-28 04:34:53,343 INFO L226 Difference]: Without dead ends: 76 [2024-11-28 04:34:53,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:34:53,345 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 17 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:53,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 188 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:34:53,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-28 04:34:53,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2024-11-28 04:34:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 47 states have internal predecessors, (59), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:34:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2024-11-28 04:34:53,377 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 100 [2024-11-28 04:34:53,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:53,378 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2024-11-28 04:34:53,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 04:34:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2024-11-28 04:34:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 04:34:53,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:53,383 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:53,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:34:53,383 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:53,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:53,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1088541946, now seen corresponding path program 1 times [2024-11-28 04:34:53,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:53,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768109105] [2024-11-28 04:34:53,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:53,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-28 04:34:54,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:54,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768109105] [2024-11-28 04:34:54,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768109105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:54,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:54,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:34:54,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782451670] [2024-11-28 04:34:54,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:54,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:34:54,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:54,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:34:54,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:34:54,354 INFO L87 Difference]: Start difference. First operand 65 states and 89 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 04:34:54,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:54,511 INFO L93 Difference]: Finished difference Result 157 states and 211 transitions. [2024-11-28 04:34:54,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:34:54,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2024-11-28 04:34:54,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:54,515 INFO L225 Difference]: With dead ends: 157 [2024-11-28 04:34:54,515 INFO L226 Difference]: Without dead ends: 95 [2024-11-28 04:34:54,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:34:54,519 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:54,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 259 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:34:54,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-28 04:34:54,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 65. [2024-11-28 04:34:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 47 states have internal predecessors, (59), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:34:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2024-11-28 04:34:54,539 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 101 [2024-11-28 04:34:54,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:54,540 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2024-11-28 04:34:54,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 04:34:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2024-11-28 04:34:54,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-28 04:34:54,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:54,545 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:54,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:34:54,546 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:54,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:54,546 INFO L85 PathProgramCache]: Analyzing trace with hash -692144035, now seen corresponding path program 1 times [2024-11-28 04:34:54,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:54,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320519699] [2024-11-28 04:34:54,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:54,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:34:54,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:34:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:34:54,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:34:54,730 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:34:54,732 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:34:54,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:34:54,738 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 04:34:54,850 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:34:54,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:34:54 BoogieIcfgContainer [2024-11-28 04:34:54,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:34:54,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:34:54,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:34:54,859 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:34:54,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:49" (3/4) ... [2024-11-28 04:34:54,864 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:34:54,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:34:54,866 INFO L158 Benchmark]: Toolchain (without parser) took 7021.23ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.0MB in the beginning and 346.4MB in the end (delta: -227.4MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-11-28 04:34:54,867 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:54,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.19ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 105.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:34:54,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.63ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 103.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:34:54,868 INFO L158 Benchmark]: Boogie Preprocessor took 82.47ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 99.5MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:54,870 INFO L158 Benchmark]: RCFGBuilder took 674.72ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 82.4MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:34:54,870 INFO L158 Benchmark]: TraceAbstraction took 5708.77ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 81.6MB in the beginning and 346.5MB in the end (delta: -264.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-28 04:34:54,871 INFO L158 Benchmark]: Witness Printer took 6.50ms. Allocated memory is still 427.8MB. Free memory was 346.5MB in the beginning and 346.4MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:54,873 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 142.6MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.19ms. Allocated memory is still 142.6MB. Free memory was 118.7MB in the beginning and 105.5MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.63ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 103.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.47ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 99.5MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.72ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 82.4MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5708.77ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 81.6MB in the beginning and 346.5MB in the end (delta: -264.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 6.50ms. Allocated memory is still 427.8MB. Free memory was 346.5MB in the beginning and 346.4MB in the end (delta: 87.0kB). 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 90, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryArithmeticFLOAToperation at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 8; [L25] unsigned char var_1_4 = 8; [L26] unsigned char var_1_5 = 32; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 1; [L29] float var_1_8 = 1.8; [L30] float var_1_9 = 9999999999999.75; [L31] float var_1_10 = 8.75; [L32] float var_1_11 = 255.75; [L33] unsigned short int var_1_12 = 10; [L34] unsigned char var_1_13 = 2; [L35] unsigned short int var_1_14 = 4; VAL [isInitial=0, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=0, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L99] isInitial = 1 [L100] FCALL initially() [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=8, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L72] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L72] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=8, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L75] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L75] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=32, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L76] var_1_5 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L78] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L78] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=0, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_8=9/5, var_1_9=39999999999999/4] [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_8=9/5, var_1_9=39999999999999/4] [L84] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L84] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5, var_1_9=39999999999999/4] [L85] var_1_9 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L86] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=35/4, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L87] var_1_10 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L88] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1023/4, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L89] var_1_11 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L90] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L103] RET updateVariables() [L104] CALL step() [L39] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=-255, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=16, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L40] COND TRUE \read(var_1_2) [L41] var_1_1 = (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))) VAL [isInitial=1, stepLocal_0=-255, var_1_12=10, var_1_13=2, var_1_14=4, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L53] var_1_12 = 100 [L54] var_1_13 = var_1_3 [L55] var_1_14 = var_1_3 VAL [isInitial=1, stepLocal_0=-255, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L56] EXPR var_1_13 >> var_1_3 VAL [isInitial=1, stepLocal_0=-255, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1, var_1_8=9/5] [L56] COND TRUE (var_1_13 >> var_1_3) <= var_1_5 [L57] COND TRUE (25 > var_1_13) && var_1_7 [L58] var_1_8 = (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))) VAL [isInitial=1, stepLocal_0=-255, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (var_1_2 ? (var_1_1 == ((unsigned char) (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_3))))) && (((var_1_13 >> var_1_3) <= var_1_5) ? (((25 > var_1_13) && var_1_7) ? (var_1_8 == ((float) (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) : (var_1_8 == ((float) var_1_9))) : (var_1_8 == ((float) var_1_9))) VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1] [L95] EXPR var_1_13 >> var_1_3 VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1] [L95] EXPR (var_1_2 ? (var_1_1 == ((unsigned char) (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_3))))) && (((var_1_13 >> var_1_3) <= var_1_5) ? (((25 > var_1_13) && var_1_7) ? (var_1_8 == ((float) (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) : (var_1_8 == ((float) var_1_9))) : (var_1_8 == ((float) var_1_9))) VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1] [L95-L96] return ((((var_1_2 ? (var_1_1 == ((unsigned char) (((((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) > (var_1_5)) ? ((((((var_1_3 + var_1_4)) > (50)) ? ((var_1_3 + var_1_4)) : (50)))) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_3))))) && (((var_1_13 >> var_1_3) <= var_1_5) ? (((25 > var_1_13) && var_1_7) ? (var_1_8 == ((float) (var_1_9 + ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) : (var_1_8 == ((float) var_1_9))) : (var_1_8 == ((float) var_1_9)))) && (var_1_12 == ((unsigned short int) 100))) && (var_1_13 == ((unsigned char) var_1_3))) && (var_1_14 == ((unsigned short int) var_1_3)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1] [L19] reach_error() VAL [isInitial=1, var_1_12=100, var_1_13=0, var_1_14=0, var_1_1=51, var_1_2=1, var_1_3=0, var_1_4=50, var_1_5=51, var_1_6=-255, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 5, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 103 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 103 mSDsluCounter, 668 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 367 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 301 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=3, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 41 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 600 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 493 ConstructedInterpolants, 0 QuantifiedInterpolants, 1132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 2072/2100 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 [2024-11-28 04:34:54,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/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_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB --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 b7769f6e88057884e9f756ce4db3366a3e684d2e94a6b3544a7e6cd1c830e602 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:34:58,279 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:34:58,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:34:58,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:34:58,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:34:58,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:34:58,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:34:58,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:34:58,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:34:58,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:34:58,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:34:58,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:34:58,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:34:58,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:34:58,517 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:34:58,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:34:58,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:34:58,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:34:58,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:34:58,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:34:58,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:34:58,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:34:58,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:34:58,520 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:34:58,520 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:34:58,520 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:34:58,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:34:58,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:34:58,521 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:34:58,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:34:58,522 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:34:58,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:58,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:58,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:58,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:58,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:34:58,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:58,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:58,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:58,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:58,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:34:58,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:34:58,525 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_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB 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 -> b7769f6e88057884e9f756ce4db3366a3e684d2e94a6b3544a7e6cd1c830e602 [2024-11-28 04:34:58,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:34:58,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:34:58,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:34:58,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:34:58,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:34:58,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i [2024-11-28 04:35:02,569 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/5842e95b5/ff13cbfc3d5548e6a0c60e66d773f542/FLAG2db913e27 [2024-11-28 04:35:02,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:02,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i [2024-11-28 04:35:02,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/5842e95b5/ff13cbfc3d5548e6a0c60e66d773f542/FLAG2db913e27 [2024-11-28 04:35:03,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/data/5842e95b5/ff13cbfc3d5548e6a0c60e66d773f542 [2024-11-28 04:35:03,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:03,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:03,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:03,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:03,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:03,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ed5c2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03, skipping insertion in model container [2024-11-28 04:35:03,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:03,388 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_484d1381-388b-48b0-9c8c-f64df3557bf0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i[915,928] [2024-11-28 04:35:03,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:03,479 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:03,491 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_484d1381-388b-48b0-9c8c-f64df3557bf0/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-71.i[915,928] [2024-11-28 04:35:03,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:03,548 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:03,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03 WrapperNode [2024-11-28 04:35:03,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:03,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:03,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:03,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:03,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,596 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-28 04:35:03,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:03,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:03,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:03,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:03,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,627 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]. [2024-11-28 04:35:03,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,638 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:03,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:03,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:03,652 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:03,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (1/1) ... [2024-11-28 04:35:03,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:03,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:03,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:03,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:35:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:35:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:35:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:03,872 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:03,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:04,461 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 04:35:04,462 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:35:04,474 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:35:04,475 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:35:04,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:04 BoogieIcfgContainer [2024-11-28 04:35:04,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:35:04,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:35:04,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:35:04,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:35:04,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:03" (1/3) ... [2024-11-28 04:35:04,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e240243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:04, skipping insertion in model container [2024-11-28 04:35:04,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:03" (2/3) ... [2024-11-28 04:35:04,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e240243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:04, skipping insertion in model container [2024-11-28 04:35:04,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:04" (3/3) ... [2024-11-28 04:35:04,486 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-71.i [2024-11-28 04:35:04,500 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:35:04,502 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-71.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:35:04,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:35:04,600 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;@6be10879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:35:04,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:35:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 04:35:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:35:04,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:04,627 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:04,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:04,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:04,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1106668664, now seen corresponding path program 1 times [2024-11-28 04:35:04,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:35:04,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566307133] [2024-11-28 04:35:04,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:04,648 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 [2024-11-28 04:35:04,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:35:04,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:35:04,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_484d1381-388b-48b0-9c8c-f64df3557bf0/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:35:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:04,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:35:04,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:07,425 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 134 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-11-28 04:35:07,426 INFO L312 TraceCheckSpWp]: Computing backward predicates...