./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:12:02,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:12:02,385 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:12:02,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:12:02,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:12:02,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:12:02,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:12:02,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:12:02,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:12:02,448 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:12:02,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:12:02,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:12:02,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:12:02,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:12:02,450 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:12:02,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:12:02,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:12:02,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:12:02,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:12:02,452 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:12:02,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:12:02,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:12:02,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:12:02,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:12:02,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:12:02,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:12:02,453 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:12:02,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:12:02,453 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:12:02,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:02,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:02,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:12:02,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:12:02,455 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:12:02,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:12:02,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:12:02,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:12:02,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:12:02,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:12:02,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:12:02,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:12:02,457 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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 -> 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 [2024-11-27 20:12:02,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:12:02,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:12:02,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:12:02,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:12:02,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:12:02,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2024-11-27 20:12:06,031 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/08d028dc0/5c486793dbdd4cb580a3b5df051b7203/FLAG480e8243b [2024-11-27 20:12:06,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:12:06,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2024-11-27 20:12:06,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/08d028dc0/5c486793dbdd4cb580a3b5df051b7203/FLAG480e8243b [2024-11-27 20:12:06,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/08d028dc0/5c486793dbdd4cb580a3b5df051b7203 [2024-11-27 20:12:06,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:12:06,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:12:06,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:06,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:12:06,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:12:06,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d5d414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06, skipping insertion in model container [2024-11-27 20:12:06,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:12:06,619 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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2024-11-27 20:12:06,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:06,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:12:06,739 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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2024-11-27 20:12:06,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:06,780 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:12:06,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06 WrapperNode [2024-11-27 20:12:06,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:06,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:06,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:12:06,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:12:06,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,826 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-11-27 20:12:06,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:06,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:12:06,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:12:06,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:12:06,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,860 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]. [2024-11-27 20:12:06,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,866 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:12:06,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:12:06,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:12:06,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:12:06,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (1/1) ... [2024-11-27 20:12:06,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:06,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:06,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:06,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:12:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:12:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:12:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:12:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:12:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:12:06,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:12:07,066 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:12:07,068 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:12:07,324 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:12:07,324 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:12:07,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:12:07,338 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:12:07,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:07 BoogieIcfgContainer [2024-11-27 20:12:07,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:12:07,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:12:07,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:12:07,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:12:07,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:12:06" (1/3) ... [2024-11-27 20:12:07,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d529e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:07, skipping insertion in model container [2024-11-27 20:12:07,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:06" (2/3) ... [2024-11-27 20:12:07,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d529e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:07, skipping insertion in model container [2024-11-27 20:12:07,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:07" (3/3) ... [2024-11-27 20:12:07,350 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-47.i [2024-11-27 20:12:07,364 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:12:07,366 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-47.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:12:07,431 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:12:07,459 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;@80180c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:12:07,459 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:12:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:12:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-27 20:12:07,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:07,476 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:07,477 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:07,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:07,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1342335269, now seen corresponding path program 1 times [2024-11-27 20:12:07,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:07,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082934468] [2024-11-27 20:12:07,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:07,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-27 20:12:07,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:07,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082934468] [2024-11-27 20:12:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082934468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796572400] [2024-11-27 20:12:07,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:07,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:07,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:07,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:07,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:12:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:08,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:12:08,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:08,043 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-27 20:12:08,043 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:08,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796572400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:08,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:08,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:12:08,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733803809] [2024-11-27 20:12:08,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:08,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:12:08,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:08,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:12:08,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:08,081 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 20:12:08,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:08,110 INFO L93 Difference]: Finished difference Result 75 states and 120 transitions. [2024-11-27 20:12:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:12:08,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2024-11-27 20:12:08,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:08,121 INFO L225 Difference]: With dead ends: 75 [2024-11-27 20:12:08,121 INFO L226 Difference]: Without dead ends: 37 [2024-11-27 20:12:08,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:08,132 INFO L435 NwaCegarLoop]: 51 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, 51 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 [2024-11-27 20:12:08,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:08,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-27 20:12:08,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-27 20:12:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:12:08,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-11-27 20:12:08,185 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 69 [2024-11-27 20:12:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:08,186 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-11-27 20:12:08,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 20:12:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-11-27 20:12:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-27 20:12:08,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:08,189 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:08,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:12:08,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:12:08,394 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:08,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash 645508055, now seen corresponding path program 1 times [2024-11-27 20:12:08,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:08,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146768307] [2024-11-27 20:12:08,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:08,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:08,745 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:12:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:12:08,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:12:08,855 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:12:08,856 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:12:08,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:12:08,863 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 20:12:08,945 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:12:08,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:12:08 BoogieIcfgContainer [2024-11-27 20:12:08,954 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:12:08,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:12:08,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:12:08,955 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:12:08,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:07" (3/4) ... [2024-11-27 20:12:08,962 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:12:08,963 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:12:08,964 INFO L158 Benchmark]: Toolchain (without parser) took 2565.44ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 100.0MB in the end (delta: 17.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-27 20:12:08,965 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:08,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.59ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 104.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:12:08,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.89ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:12:08,967 INFO L158 Benchmark]: Boogie Preprocessor took 52.42ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:08,967 INFO L158 Benchmark]: RCFGBuilder took 458.26ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 88.4MB in the end (delta: 13.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:08,967 INFO L158 Benchmark]: TraceAbstraction took 1611.82ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 100.0MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:08,967 INFO L158 Benchmark]: Witness Printer took 8.04ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 100.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:12:08,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.59ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 104.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.89ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.42ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 101.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.26ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 88.4MB in the end (delta: 13.0MB). There was no memory consumed. Max. memory is 16.1GB. * TraceAbstraction took 1611.82ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 100.0MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.04ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 100.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someBinaryFLOATComparisonOperation at line 49, overapproximation of someBinaryFLOATComparisonOperation at line 81, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someUnaryFLOAToperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 24.575; [L23] double var_1_8 = 128.5; [L24] float var_1_9 = -0.5; [L25] float var_1_10 = 200.4; [L26] unsigned long int var_1_11 = 4; [L27] unsigned char var_1_12 = 1; [L28] unsigned long int var_1_13 = 3607105345; [L29] signed char var_1_14 = 0; [L30] signed char var_1_15 = 0; [L31] signed char var_1_16 = 16; [L32] double last_1_var_1_1 = 24.575; [L33] float last_1_var_1_9 = -0.5; VAL [isInitial=0, last_1_var_1_1=983/40, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_8=257/2] [L85] isInitial = 1 [L86] FCALL initially() [L88] CALL updateLastVariables() [L77] last_1_var_1_1 = var_1_1 [L78] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_8=257/2, var_1_9=4294967301] [L88] RET updateLastVariables() [L89] CALL updateVariables() [L59] var_1_8 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L60] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_10=1002/5, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L61] var_1_10 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L62] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=1, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L63] var_1_12 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L64] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L65] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L65] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=3607105345, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L66] var_1_13 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L67] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L68] CALL assume_abort_if_not(var_1_13 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L68] RET assume_abort_if_not(var_1_13 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=0, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L69] var_1_15 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_15 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L70] RET assume_abort_if_not(var_1_15 >= -1) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L71] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L71] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=16, var_1_1=983/40, var_1_9=4294967301] [L72] var_1_16 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L74] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L74] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=0, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L89] RET updateVariables() [L90] CALL step() [L37] COND FALSE !(((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) [L42] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4, var_1_12=0, var_1_13=4294967294, var_1_14=126, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L44] COND FALSE !(\read(var_1_12)) [L47] var_1_11 = ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4294967136, var_1_12=0, var_1_13=4294967294, var_1_14=126, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967301] [L49] var_1_9 = ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))))) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4294967136, var_1_12=0, var_1_13=4294967294, var_1_14=126, var_1_15=126, var_1_16=1, var_1_1=983/40, var_1_9=4294967299] [L50] COND FALSE !(var_1_9 <= var_1_9) [L55] var_1_1 = var_1_8 VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4294967136, var_1_12=0, var_1_13=4294967294, var_1_14=126, var_1_15=126, var_1_16=1, var_1_1=4294967300, var_1_8=4294967300, var_1_9=4294967299] [L90] RET step() [L91] CALL, EXPR property() [L81-L82] return ((((var_1_9 <= var_1_9) ? (((var_1_11 + var_1_11) >= (var_1_14 + var_1_14)) ? (var_1_1 == ((double) var_1_8)) : 1) : (var_1_1 == ((double) var_1_8))) && (var_1_9 == ((float) ((((var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) < 0 ) ? -(var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f)))) : (var_1_10 - ((((10000.4f) < 0 ) ? -(10000.4f) : (10000.4f))))))))) && (var_1_12 ? (var_1_11 == ((unsigned long int) ((((var_1_14) < (var_1_14)) ? (var_1_14) : (var_1_14))))) : (var_1_11 == ((unsigned long int) ((((var_1_14) > ((var_1_13 - (var_1_14 + 32u)))) ? (var_1_14) : ((var_1_13 - (var_1_14 + 32u))))))))) && ((((((last_1_var_1_9) > (last_1_var_1_9)) ? (last_1_var_1_9) : (last_1_var_1_9))) >= last_1_var_1_1) ? (var_1_12 ? (var_1_14 == ((signed char) (var_1_15 - var_1_16))) : 1) : (var_1_14 == ((signed char) var_1_15))) ; VAL [\result=0, isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4294967136, var_1_12=0, var_1_13=4294967294, var_1_14=126, var_1_15=126, var_1_16=1, var_1_1=4294967300, var_1_8=4294967300, var_1_9=4294967299] [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4294967136, var_1_12=0, var_1_13=4294967294, var_1_14=126, var_1_15=126, var_1_16=1, var_1_1=4294967300, var_1_8=4294967300, var_1_9=4294967299] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=983/40, last_1_var_1_9=4294967301, var_1_11=4294967136, var_1_12=0, var_1_13=4294967294, var_1_14=126, var_1_15=126, var_1_16=1, var_1_1=4294967300, var_1_8=4294967300, var_1_9=4294967299] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 51 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 174 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 342/360 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 [2024-11-27 20:12:08,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:12:12,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:12:12,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:12:12,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:12:12,360 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:12:12,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:12:12,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:12:12,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:12:12,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:12:12,410 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:12:12,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:12:12,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:12:12,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:12:12,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:12:12,412 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:12:12,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:12:12,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:12:12,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:12:12,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:12:12,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:12:12,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:12:12,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:12:12,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:12:12,416 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:12:12,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:12,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:12,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:12,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:12,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:12:12,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:12:12,418 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:12:12,418 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:12:12,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:12:12,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:12:12,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:12:12,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:12:12,418 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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 -> 84580c439ea85a9e7d0de81baf3e48a12bc732c424c1741d74078f19769c6d85 [2024-11-27 20:12:12,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:12:12,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:12:12,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:12:12,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:12:12,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:12:12,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2024-11-27 20:12:16,276 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/d98751d6c/bfdad579b15b4962822dd48f155ea10c/FLAG3da58a3a0 [2024-11-27 20:12:16,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:12:16,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i [2024-11-27 20:12:16,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/d98751d6c/bfdad579b15b4962822dd48f155ea10c/FLAG3da58a3a0 [2024-11-27 20:12:16,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/data/d98751d6c/bfdad579b15b4962822dd48f155ea10c [2024-11-27 20:12:16,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:12:16,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:12:16,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:16,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:12:16,892 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:12:16,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:16" (1/1) ... [2024-11-27 20:12:16,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680b4cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:16, skipping insertion in model container [2024-11-27 20:12:16,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:12:16" (1/1) ... [2024-11-27 20:12:16,919 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:12:17,119 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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2024-11-27 20:12:17,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:17,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:12:17,201 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_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-47.i[915,928] [2024-11-27 20:12:17,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:12:17,249 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:12:17,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17 WrapperNode [2024-11-27 20:12:17,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:12:17,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:17,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:12:17,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:12:17,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,293 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-27 20:12:17,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:12:17,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:12:17,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:12:17,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:12:17,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,307 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,322 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]. [2024-11-27 20:12:17,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,331 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:12:17,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:12:17,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:12:17,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:12:17,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (1/1) ... [2024-11-27 20:12:17,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:12:17,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:17,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:12:17,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:12:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:12:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:12:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:12:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:12:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:12:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:12:17,543 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:12:17,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:12:18,258 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:12:18,258 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:12:18,269 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:12:18,270 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:12:18,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:18 BoogieIcfgContainer [2024-11-27 20:12:18,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:12:18,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:12:18,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:12:18,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:12:18,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:12:16" (1/3) ... [2024-11-27 20:12:18,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736c04ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:18, skipping insertion in model container [2024-11-27 20:12:18,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:12:17" (2/3) ... [2024-11-27 20:12:18,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736c04ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:12:18, skipping insertion in model container [2024-11-27 20:12:18,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:12:18" (3/3) ... [2024-11-27 20:12:18,289 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-47.i [2024-11-27 20:12:18,310 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:12:18,313 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-47.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:12:18,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:12:18,403 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;@627fbe50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:12:18,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:12:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:12:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-27 20:12:18,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:18,420 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:18,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:18,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:18,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1342335269, now seen corresponding path program 1 times [2024-11-27 20:12:18,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:12:18,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120664834] [2024-11-27 20:12:18,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:18,438 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 [2024-11-27 20:12:18,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:12:18,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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) [2024-11-27 20:12:18,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 [2024-11-27 20:12:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:18,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:12:18,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-27 20:12:18,775 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:18,775 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:12:18,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120664834] [2024-11-27 20:12:18,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120664834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:18,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:12:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:12:18,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335683758] [2024-11-27 20:12:18,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:18,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:12:18,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:12:18,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:12:18,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:18,811 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 29 states have internal predecessors, (38), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-27 20:12:18,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:18,838 INFO L93 Difference]: Finished difference Result 75 states and 120 transitions. [2024-11-27 20:12:18,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:12:18,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 69 [2024-11-27 20:12:18,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:18,849 INFO L225 Difference]: With dead ends: 75 [2024-11-27 20:12:18,851 INFO L226 Difference]: Without dead ends: 37 [2024-11-27 20:12:18,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:12:18,861 INFO L435 NwaCegarLoop]: 51 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, 51 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 [2024-11-27 20:12:18,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:12:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-27 20:12:18,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-27 20:12:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:12:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2024-11-27 20:12:18,906 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 69 [2024-11-27 20:12:18,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:18,907 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2024-11-27 20:12:18,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-27 20:12:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-11-27 20:12:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-27 20:12:18,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:18,910 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:18,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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)] Ended with exit code 0 [2024-11-27 20:12:19,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 [2024-11-27 20:12:19,111 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:19,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:19,112 INFO L85 PathProgramCache]: Analyzing trace with hash 645508055, now seen corresponding path program 1 times [2024-11-27 20:12:19,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:12:19,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213521962] [2024-11-27 20:12:19,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:19,113 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 [2024-11-27 20:12:19,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:12:19,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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) [2024-11-27 20:12:19,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 (3)] Waiting until timeout for monitored process [2024-11-27 20:12:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:19,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:12:19,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-27 20:12:26,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:12:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-27 20:12:43,543 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:12:43,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213521962] [2024-11-27 20:12:43,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213521962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:12:43,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:12:43,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-27 20:12:43,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976288354] [2024-11-27 20:12:43,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:12:43,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:12:43,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:12:43,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:12:43,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:12:43,548 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-27 20:13:01,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:16,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:24,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:26,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:28,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:30,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:32,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:34,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:37,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:13:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:38,596 INFO L93 Difference]: Finished difference Result 109 states and 147 transitions. [2024-11-27 20:13:38,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 20:13:38,608 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 69 [2024-11-27 20:13:38,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:38,609 INFO L225 Difference]: With dead ends: 109 [2024-11-27 20:13:38,610 INFO L226 Difference]: Without dead ends: 75 [2024-11-27 20:13:38,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 34.7s TimeCoverageRelationStatistics Valid=197, Invalid=403, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:13:38,612 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 147 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:38,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 133 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 30.4s Time] [2024-11-27 20:13:38,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-27 20:13:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 41. [2024-11-27 20:13:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 20:13:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2024-11-27 20:13:38,631 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 69 [2024-11-27 20:13:38,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:38,631 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-27 20:13:38,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-27 20:13:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2024-11-27 20:13:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-27 20:13:38,634 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:38,635 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:38,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 (3)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:38,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 [2024-11-27 20:13:38,840 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:38,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:38,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1699647086, now seen corresponding path program 1 times [2024-11-27 20:13:38,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:13:38,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444762675] [2024-11-27 20:13:38,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:38,841 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 [2024-11-27 20:13:38,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:13:38,844 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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) [2024-11-27 20:13:38,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c8c4f3-1737-4fea-b7d6-fb78dc84a3b8/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 (4)] Waiting until timeout for monitored process [2024-11-27 20:13:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:39,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:13:39,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:15:29,325 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-27 20:15:29,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:21:15,142 WARN L286 SmtUtils]: Spent 23.56s on a formula simplification. DAG size of input: 118 DAG size of output: 105 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:22:35,897 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 104 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:24:01,434 WARN L286 SmtUtils]: Spent 11.74s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)