./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX --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 d49cb19ea73a8e7e65d41ce21711c83229aec8ad3b628b5fca5a19c20a6562dd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:48:44,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:48:44,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:48:44,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:48:44,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:48:44,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:48:44,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:48:44,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:48:44,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:48:44,723 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:48:44,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:48:44,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:48:44,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:48:44,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:48:44,725 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:48:44,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:48:44,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:48:44,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:48:44,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:48:44,736 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:48:44,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:48:44,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:48:44,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:48:44,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:48:44,738 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:48:44,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:48:44,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:48:44,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:48:44,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:48:44,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:48:44,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:48:44,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:48:44,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:48:44,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:48:44,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:48:44,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:48:44,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:48:44,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:48:44,755 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:48:44,755 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:48:44,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:48:44,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:48:44,760 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cb19ea73a8e7e65d41ce21711c83229aec8ad3b628b5fca5a19c20a6562dd [2024-11-08 17:48:45,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:48:45,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:48:45,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:48:45,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:48:45,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:48:45,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i Unable to find full path for "g++" [2024-11-08 17:48:47,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:48:47,652 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:48:47,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i [2024-11-08 17:48:47,665 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data/7fd445918/f9742fafee774914a9fa4cac8a401f77/FLAGd33a930fc [2024-11-08 17:48:47,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data/7fd445918/f9742fafee774914a9fa4cac8a401f77 [2024-11-08 17:48:47,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:48:47,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:48:47,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:48:47,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:48:47,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:48:47,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:48:47" (1/1) ... [2024-11-08 17:48:47,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcb97fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:47, skipping insertion in model container [2024-11-08 17:48:47,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:48:47" (1/1) ... [2024-11-08 17:48:47,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:48:47,986 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_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i[915,928] [2024-11-08 17:48:48,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:48:48,052 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:48:48,067 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_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i[915,928] [2024-11-08 17:48:48,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:48:48,115 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:48:48,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48 WrapperNode [2024-11-08 17:48:48,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:48:48,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:48:48,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:48:48,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:48:48,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,171 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-11-08 17:48:48,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:48:48,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:48:48,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:48:48,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:48:48,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,208 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]. [2024-11-08 17:48:48,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:48:48,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:48:48,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:48:48,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:48:48,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (1/1) ... [2024-11-08 17:48:48,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:48:48,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:48:48,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:48:48,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:48:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:48:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:48:48,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:48:48,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:48:48,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:48:48,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:48:48,461 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:48:48,466 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:48:48,857 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:48:48,857 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:48:48,875 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:48:48,875 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:48:48,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:48:48 BoogieIcfgContainer [2024-11-08 17:48:48,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:48:48,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:48:48,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:48:48,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:48:48,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:48:47" (1/3) ... [2024-11-08 17:48:48,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c68fbe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:48:48, skipping insertion in model container [2024-11-08 17:48:48,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:48" (2/3) ... [2024-11-08 17:48:48,891 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c68fbe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:48:48, skipping insertion in model container [2024-11-08 17:48:48,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:48:48" (3/3) ... [2024-11-08 17:48:48,894 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-55.i [2024-11-08 17:48:48,915 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:48:48,915 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:48:48,985 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:48:48,994 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;@60ee15e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:48:48,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:48:49,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:48:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 17:48:49,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:48:49,023 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:48:49,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:48:49,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:48:49,033 INFO L85 PathProgramCache]: Analyzing trace with hash 742057466, now seen corresponding path program 1 times [2024-11-08 17:48:49,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:48:49,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934195156] [2024-11-08 17:48:49,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:48:49,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:48:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:48:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:48:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:48:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:48:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:48:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:48:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:48:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:48:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-08 17:48:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:48:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 17:48:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-08 17:48:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 17:48:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-08 17:48:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 17:48:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:48:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:48:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 17:48:49,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:48:49,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934195156] [2024-11-08 17:48:49,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934195156] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:48:49,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:48:49,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:48:49,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383858699] [2024-11-08 17:48:49,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:48:49,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:48:49,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:48:49,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:48:49,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:48:49,613 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:48:49,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:48:49,657 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions. [2024-11-08 17:48:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:48:49,659 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2024-11-08 17:48:49,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:48:49,667 INFO L225 Difference]: With dead ends: 95 [2024-11-08 17:48:49,668 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 17:48:49,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:48:49,676 INFO L432 NwaCegarLoop]: 68 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, 68 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 [2024-11-08 17:48:49,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:48:49,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 17:48:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-08 17:48:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:48:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2024-11-08 17:48:49,756 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 106 [2024-11-08 17:48:49,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:48:49,757 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2024-11-08 17:48:49,757 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, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:48:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-11-08 17:48:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 17:48:49,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:48:49,763 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:48:49,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:48:49,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:48:49,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:48:49,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1643598844, now seen corresponding path program 1 times [2024-11-08 17:48:49,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:48:49,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533615383] [2024-11-08 17:48:49,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:48:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:48:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:48:50,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12505206] [2024-11-08 17:48:50,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:48:50,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:48:50,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:48:50,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:48:50,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:48:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:48:50,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:48:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:48:50,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:48:50,652 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:48:50,654 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:48:50,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:48:50,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:48:50,861 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:48:50,959 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:48:50,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:48:50 BoogieIcfgContainer [2024-11-08 17:48:50,967 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:48:50,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:48:50,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:48:50,969 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:48:50,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:48:48" (3/4) ... [2024-11-08 17:48:50,973 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:48:50,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:48:50,978 INFO L158 Benchmark]: Toolchain (without parser) took 3286.93ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 145.3MB in the beginning and 159.0MB in the end (delta: -13.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-08 17:48:50,980 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 180.4MB. Free memory was 149.1MB in the beginning and 149.0MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:48:50,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.13ms. Allocated memory is still 180.4MB. Free memory was 145.3MB in the beginning and 131.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:48:50,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 180.4MB. Free memory was 131.4MB in the beginning and 129.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:48:50,985 INFO L158 Benchmark]: Boogie Preprocessor took 68.21ms. Allocated memory is still 180.4MB. Free memory was 129.3MB in the beginning and 126.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:48:50,986 INFO L158 Benchmark]: RCFGBuilder took 630.20ms. Allocated memory is still 180.4MB. Free memory was 126.6MB in the beginning and 109.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 17:48:50,986 INFO L158 Benchmark]: TraceAbstraction took 2087.82ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 109.5MB in the beginning and 159.0MB in the end (delta: -49.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:48:50,987 INFO L158 Benchmark]: Witness Printer took 7.95ms. Allocated memory is still 218.1MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:48:50,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 180.4MB. Free memory was 149.1MB in the beginning and 149.0MB in the end (delta: 161.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.13ms. Allocated memory is still 180.4MB. Free memory was 145.3MB in the beginning and 131.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.12ms. Allocated memory is still 180.4MB. Free memory was 131.4MB in the beginning and 129.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.21ms. Allocated memory is still 180.4MB. Free memory was 129.3MB in the beginning and 126.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.20ms. Allocated memory is still 180.4MB. Free memory was 126.6MB in the beginning and 109.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2087.82ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 109.5MB in the beginning and 159.0MB in the end (delta: -49.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.95ms. Allocated memory is still 218.1MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryArithmeticFLOAToperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned short int var_1_6 = 16; [L26] signed char var_1_7 = 25; [L27] unsigned short int var_1_8 = 5; [L28] unsigned short int var_1_9 = 1; [L29] signed char var_1_12 = 1; [L30] float var_1_13 = 127.75; [L31] float var_1_14 = 0.0; [L32] float var_1_15 = 255.7; [L33] float var_1_16 = 7.6; [L34] unsigned long int var_1_17 = 64; [L35] signed long int var_1_18 = 0; VAL [isInitial=0, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] FCALL updateLastVariables() [L106] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_5=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_5=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_5=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L70] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L71] var_1_5 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L72] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L73] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=16, var_1_7=25, var_1_8=5, var_1_9=1] [L74] var_1_6 = __VERIFIER_nondet_ushort() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_7=25, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_7=25, var_1_8=5, var_1_9=1] [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_7=25, var_1_8=5, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=5, var_1_9=1] [L76] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=5, var_1_9=1] [L77] var_1_8 = __VERIFIER_nondet_ushort() [L78] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_9=1] [L78] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_8 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_9=1] [L79] RET assume_abort_if_not(var_1_8 <= 65535) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L80] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L81] var_1_9 = __VERIFIER_nondet_ushort() [L82] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535] [L82] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535] [L83] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535] [L83] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535] [L84] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L84] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, var_1_12=1, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L85] var_1_12 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L86] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L87] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_14=0, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L88] var_1_14 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L89] RET assume_abort_if_not((var_1_14 >= 4611686.018427382800e+12F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_15=2557/10, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L90] var_1_15 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L91] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_16=38/5, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L92] var_1_16 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L93] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=-127, var_1_13=511/4, var_1_17=64, var_1_18=0, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L106] RET updateVariables() [L107] CALL step() [L39] var_1_13 = ((var_1_14 - var_1_15) - var_1_16) [L40] var_1_17 = var_1_6 [L41] var_1_18 = var_1_9 [L42] unsigned short int stepLocal_3 = var_1_9; [L43] unsigned long int stepLocal_2 = var_1_17; VAL [isInitial=1, stepLocal_2=1, stepLocal_3=1, var_1_12=-127, var_1_17=1, var_1_18=1, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=25, var_1_8=65535, var_1_9=1] [L44] COND FALSE !(stepLocal_2 <= ((var_1_17 / var_1_8) / var_1_9)) [L51] var_1_7 = var_1_12 VAL [isInitial=1, stepLocal_3=1, var_1_12=-127, var_1_17=1, var_1_18=1, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=-127, var_1_8=65535, var_1_9=1] [L53] signed char stepLocal_1 = var_1_7; [L54] unsigned char stepLocal_0 = var_1_7 >= var_1_7; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-127, stepLocal_3=1, var_1_12=-127, var_1_17=1, var_1_18=1, var_1_1=10, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=-127, var_1_8=65535, var_1_9=1] [L55] COND FALSE !(\read(var_1_2)) [L64] var_1_1 = var_1_6 VAL [isInitial=1, stepLocal_0=1, stepLocal_1=-127, stepLocal_3=1, var_1_12=-127, var_1_17=1, var_1_18=1, var_1_1=1, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=-127, var_1_8=65535, var_1_9=1] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((var_1_2 ? (((var_1_7 >= var_1_7) && var_1_5) ? ((var_1_7 >= var_1_7) ? (var_1_1 == ((unsigned short int) 5)) : (var_1_1 == ((unsigned short int) var_1_6))) : 1) : (var_1_1 == ((unsigned short int) var_1_6))) && ((var_1_17 <= ((var_1_17 / var_1_8) / var_1_9)) ? ((var_1_9 == (var_1_18 * (~ var_1_18))) ? (var_1_7 == ((signed char) var_1_12)) : (var_1_7 == ((signed char) var_1_12))) : (var_1_7 == ((signed char) var_1_12)))) && (var_1_13 == ((float) ((var_1_14 - var_1_15) - var_1_16)))) && (var_1_17 == ((unsigned long int) var_1_6))) && (var_1_18 == ((signed long int) var_1_9)) ; VAL [\result=0, isInitial=1, var_1_12=-127, var_1_17=1, var_1_18=1, var_1_1=1, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=-127, var_1_8=65535, var_1_9=1] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_12=-127, var_1_17=1, var_1_18=1, var_1_1=1, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=-127, var_1_8=65535, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_12=-127, var_1_17=1, var_1_18=1, var_1_1=1, var_1_2=0, var_1_5=1, var_1_6=1, var_1_7=-127, var_1_8=65535, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 17, 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, 68 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, 68 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:48:51,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX --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 d49cb19ea73a8e7e65d41ce21711c83229aec8ad3b628b5fca5a19c20a6562dd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:48:53,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:48:54,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:48:54,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:48:54,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:48:54,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:48:54,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:48:54,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:48:54,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:48:54,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:48:54,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:48:54,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:48:54,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:48:54,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:48:54,086 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:48:54,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:48:54,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:48:54,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:48:54,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:48:54,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:48:54,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:48:54,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:48:54,092 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:48:54,096 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:48:54,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:48:54,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:48:54,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:48:54,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:48:54,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:48:54,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:48:54,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:48:54,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:48:54,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:48:54,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:48:54,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:48:54,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:48:54,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:48:54,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:48:54,103 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:48:54,103 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:48:54,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:48:54,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:48:54,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:48:54,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:48:54,119 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49cb19ea73a8e7e65d41ce21711c83229aec8ad3b628b5fca5a19c20a6562dd [2024-11-08 17:48:54,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:48:54,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:48:54,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:48:54,570 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:48:54,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:48:54,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i Unable to find full path for "g++" [2024-11-08 17:48:56,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:48:57,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:48:57,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i [2024-11-08 17:48:57,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data/7a51b35cf/f93a96f893034c5e915a15575cbf2e5e/FLAG1606798f5 [2024-11-08 17:48:57,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/data/7a51b35cf/f93a96f893034c5e915a15575cbf2e5e [2024-11-08 17:48:57,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:48:57,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:48:57,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:48:57,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:48:57,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:48:57,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38eef61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57, skipping insertion in model container [2024-11-08 17:48:57,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:48:57,525 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_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i[915,928] [2024-11-08 17:48:57,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:48:57,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:48:57,621 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_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-55.i[915,928] [2024-11-08 17:48:57,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:48:57,693 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:48:57,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57 WrapperNode [2024-11-08 17:48:57,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:48:57,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:48:57,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:48:57,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:48:57,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,765 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-11-08 17:48:57,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:48:57,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:48:57,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:48:57,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:48:57,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,811 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]. [2024-11-08 17:48:57,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:48:57,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:48:57,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:48:57,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:48:57,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (1/1) ... [2024-11-08 17:48:57,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:48:57,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:48:57,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:48:57,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:48:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:48:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:48:57,941 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:48:57,941 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:48:57,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:48:57,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:48:58,065 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:48:58,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:48:58,507 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:48:58,508 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:48:58,522 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:48:58,523 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:48:58,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:48:58 BoogieIcfgContainer [2024-11-08 17:48:58,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:48:58,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:48:58,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:48:58,529 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:48:58,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:48:57" (1/3) ... [2024-11-08 17:48:58,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8258662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:48:58, skipping insertion in model container [2024-11-08 17:48:58,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:48:57" (2/3) ... [2024-11-08 17:48:58,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8258662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:48:58, skipping insertion in model container [2024-11-08 17:48:58,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:48:58" (3/3) ... [2024-11-08 17:48:58,533 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-55.i [2024-11-08 17:48:58,553 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:48:58,554 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:48:58,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:48:58,664 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;@6d40f4a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:48:58,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:48:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:48:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 17:48:58,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:48:58,690 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:48:58,691 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:48:58,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:48:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash 742057466, now seen corresponding path program 1 times [2024-11-08 17:48:58,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:48:58,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791208629] [2024-11-08 17:48:58,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:48:58,733 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 [2024-11-08 17:48:58,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:48:58,739 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:48:58,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:48:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:48:59,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:48:59,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:48:59,321 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-11-08 17:48:59,321 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:48:59,322 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:48:59,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791208629] [2024-11-08 17:48:59,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1791208629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:48:59,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:48:59,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:48:59,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353475798] [2024-11-08 17:48:59,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:48:59,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:48:59,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:48:59,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:48:59,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:48:59,376 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 32 states have internal predecessors, (41), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:48:59,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:48:59,415 INFO L93 Difference]: Finished difference Result 95 states and 161 transitions. [2024-11-08 17:48:59,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:48:59,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2024-11-08 17:48:59,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:48:59,431 INFO L225 Difference]: With dead ends: 95 [2024-11-08 17:48:59,431 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 17:48:59,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:48:59,444 INFO L432 NwaCegarLoop]: 68 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, 68 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 [2024-11-08 17:48:59,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:48:59,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 17:48:59,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-08 17:48:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:48:59,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2024-11-08 17:48:59,521 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 106 [2024-11-08 17:48:59,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:48:59,522 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2024-11-08 17:48:59,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:48:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-11-08 17:48:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 17:48:59,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:48:59,532 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:48:59,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:48:59,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:48:59,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:48:59,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:48:59,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1643598844, now seen corresponding path program 1 times [2024-11-08 17:48:59,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:48:59,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1779350501] [2024-11-08 17:48:59,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:48:59,742 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 [2024-11-08 17:48:59,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:48:59,747 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:48:59,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:49:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:49:00,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 17:49:00,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:49:25,230 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:49:44,697 WARN L286 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:49:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-08 17:49:54,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:49:54,205 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:49:54,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1779350501] [2024-11-08 17:49:54,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1779350501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:49:54,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:49:54,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 17:49:54,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100003111] [2024-11-08 17:49:54,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:49:54,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 17:49:54,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:49:54,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 17:49:54,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:49:54,214 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 15 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 17:50:01,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:50:03,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:50:11,760 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:50:19,889 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:50:20,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:50:31,199 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:50:40,914 WARN L286 SmtUtils]: Spent 7.67s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:50:53,195 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:50:58,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:50:58,295 INFO L93 Difference]: Finished difference Result 99 states and 130 transitions. [2024-11-08 17:50:58,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 17:50:58,297 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 15 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 106 [2024-11-08 17:50:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:50:58,302 INFO L225 Difference]: With dead ends: 99 [2024-11-08 17:50:58,304 INFO L226 Difference]: Without dead ends: 97 [2024-11-08 17:50:58,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 66.1s TimeCoverageRelationStatistics Valid=172, Invalid=478, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:50:58,306 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 90 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:50:58,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 344 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2024-11-08 17:50:58,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-08 17:50:58,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 87. [2024-11-08 17:50:58,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 50 states have (on average 1.12) internal successors, (56), 51 states have internal predecessors, (56), 31 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:50:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 118 transitions. [2024-11-08 17:50:58,350 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 118 transitions. Word has length 106 [2024-11-08 17:50:58,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:50:58,352 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 118 transitions. [2024-11-08 17:50:58,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.9411764705882353) internal successors, (33), 15 states have internal predecessors, (33), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 17:50:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2024-11-08 17:50:58,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 17:50:58,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:50:58,356 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:50:58,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:50:58,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:50:58,557 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:50:58,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:50:58,558 INFO L85 PathProgramCache]: Analyzing trace with hash -993531554, now seen corresponding path program 1 times [2024-11-08 17:50:58,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:50:58,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140167372] [2024-11-08 17:50:58,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:50:58,559 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 [2024-11-08 17:50:58,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:50:58,564 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:50:58,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:50:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:50:58,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 17:50:58,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:51:14,961 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:51:29,439 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:51:45,581 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:52:01,459 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:52:16,257 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:52:33,170 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-08 17:52:33,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:52:33,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:52:33,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140167372] [2024-11-08 17:52:33,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140167372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:33,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:33,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 17:52:33,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337300511] [2024-11-08 17:52:33,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:33,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-08 17:52:33,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:52:33,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-08 17:52:33,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:52:33,175 INFO L87 Difference]: Start difference. First operand 87 states and 118 transitions. Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 17 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 17:52:51,231 WARN L286 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:53:00,391 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:53:11,401 WARN L286 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:53:21,031 WARN L286 SmtUtils]: Spent 6.35s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:53:31,832 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:53:39,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:53:39,050 INFO L93 Difference]: Finished difference Result 102 states and 133 transitions. [2024-11-08 17:53:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-08 17:53:39,051 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 17 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 107 [2024-11-08 17:53:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:53:39,053 INFO L225 Difference]: With dead ends: 102 [2024-11-08 17:53:39,053 INFO L226 Difference]: Without dead ends: 100 [2024-11-08 17:53:39,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 90.6s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2024-11-08 17:53:39,055 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 56 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:53:39,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 341 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 22.8s Time] [2024-11-08 17:53:39,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-08 17:53:39,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2024-11-08 17:53:39,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 50 states have (on average 1.12) internal successors, (56), 51 states have internal predecessors, (56), 31 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:53:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 118 transitions. [2024-11-08 17:53:39,084 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 118 transitions. Word has length 107 [2024-11-08 17:53:39,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:53:39,088 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 118 transitions. [2024-11-08 17:53:39,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 17 states have internal predecessors, (34), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 17:53:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2024-11-08 17:53:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:53:39,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:39,090 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:53:39,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:53:39,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:53:39,291 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:53:39,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:39,292 INFO L85 PathProgramCache]: Analyzing trace with hash -971190925, now seen corresponding path program 1 times [2024-11-08 17:53:39,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:53:39,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617626937] [2024-11-08 17:53:39,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:39,293 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 [2024-11-08 17:53:39,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:53:39,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:53:39,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 (5)] Waiting until timeout for monitored process [2024-11-08 17:53:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:53:39,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:53:39,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:53:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 17:53:39,593 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:53:39,593 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:53:39,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617626937] [2024-11-08 17:53:39,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617626937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:53:39,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:53:39,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:53:39,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818669207] [2024-11-08 17:53:39,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:53:39,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:53:39,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:53:39,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:53:39,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:53:39,596 INFO L87 Difference]: Start difference. First operand 87 states and 118 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:53:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:53:40,208 INFO L93 Difference]: Finished difference Result 150 states and 198 transitions. [2024-11-08 17:53:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:53:40,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 17:53:40,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:53:40,212 INFO L225 Difference]: With dead ends: 150 [2024-11-08 17:53:40,213 INFO L226 Difference]: Without dead ends: 87 [2024-11-08 17:53:40,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:53:40,215 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 2 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:53:40,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 120 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:53:40,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-08 17:53:40,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-08 17:53:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 50 states have (on average 1.1) internal successors, (55), 51 states have internal predecessors, (55), 31 states have call successors, (31), 5 states have call predecessors, (31), 5 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 17:53:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2024-11-08 17:53:40,247 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 108 [2024-11-08 17:53:40,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:53:40,249 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2024-11-08 17:53:40,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:53:40,250 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2024-11-08 17:53:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:53:40,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:40,252 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:53:40,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 (5)] Forceful destruction successful, exit code 0 [2024-11-08 17:53:40,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:53:40,455 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:53:40,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:40,456 INFO L85 PathProgramCache]: Analyzing trace with hash -973037967, now seen corresponding path program 1 times [2024-11-08 17:53:40,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:53:40,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819704025] [2024-11-08 17:53:40,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:40,457 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 [2024-11-08 17:53:40,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:53:40,459 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:53:40,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 (6)] Waiting until timeout for monitored process [2024-11-08 17:53:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:53:40,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 17:53:40,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:53:53,376 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:54:23,256 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:54:42,213 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:54:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-08 17:54:53,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:54:53,271 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:54:53,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819704025] [2024-11-08 17:54:53,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819704025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:54:53,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:54:53,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 17:54:53,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562643255] [2024-11-08 17:54:53,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:53,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 17:54:53,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:54:53,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 17:54:53,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:54:53,275 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 16 states have internal predecessors, (35), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 17:55:01,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:55:05,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:55:14,545 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:55:23,959 WARN L286 SmtUtils]: Spent 6.93s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:55:34,579 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:55:42,741 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:55:53,646 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 17:56:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:01,289 INFO L93 Difference]: Finished difference Result 103 states and 133 transitions. [2024-11-08 17:56:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 17:56:01,290 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 16 states have internal predecessors, (35), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) Word has length 108 [2024-11-08 17:56:01,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:01,291 INFO L225 Difference]: With dead ends: 103 [2024-11-08 17:56:01,291 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:56:01,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 75.6s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2024-11-08 17:56:01,294 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 66 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:01,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 376 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 26.0s Time] [2024-11-08 17:56:01,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:56:01,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:56:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 17:56:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:56:01,296 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2024-11-08 17:56:01,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:01,297 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:56:01,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 16 states have internal predecessors, (35), 3 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (17), 4 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 17:56:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:56:01,298 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:56:01,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:56:01,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 (6)] Ended with exit code 0 [2024-11-08 17:56:01,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:56:01,505 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 17:56:01,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:56:13,599 WARN L286 SmtUtils]: Spent 12.06s on a formula simplification. DAG size of input: 102 DAG size of output: 8 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 17:56:29,181 WARN L286 SmtUtils]: Spent 15.45s on a formula simplification. DAG size of input: 99 DAG size of output: 3 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-08 17:56:29,185 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:56:29,193 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:56:29,194 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 17:56:29,197 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:56:29,197 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 17:56:29,198 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:56:29,199 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 17:56:29,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:56:29 BoogieIcfgContainer [2024-11-08 17:56:29,203 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:56:29,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:56:29,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:56:29,204 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:56:29,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:48:58" (3/4) ... [2024-11-08 17:56:29,208 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:56:29,213 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 17:56:29,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 17:56:29,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:56:29,219 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:56:29,220 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:56:29,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:56:29,388 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:56:29,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:56:29,389 INFO L158 Benchmark]: Toolchain (without parser) took 452144.54ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 65.5MB in the end (delta: -13.4MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-08 17:56:29,389 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:56:29,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.84ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 37.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:56:29,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.55ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 35.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:56:29,390 INFO L158 Benchmark]: Boogie Preprocessor took 83.10ms. Allocated memory is still 75.5MB. Free memory was 35.2MB in the beginning and 54.1MB in the end (delta: -18.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:56:29,390 INFO L158 Benchmark]: RCFGBuilder took 670.54ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 38.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:56:29,393 INFO L158 Benchmark]: TraceAbstraction took 450678.01ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 38.2MB in the beginning and 39.3MB in the end (delta: -1.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-08 17:56:29,393 INFO L158 Benchmark]: Witness Printer took 183.85ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 65.5MB in the end (delta: -26.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:56:29,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.84ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 37.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.55ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 35.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.10ms. Allocated memory is still 75.5MB. Free memory was 35.2MB in the beginning and 54.1MB in the end (delta: -18.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 670.54ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 38.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 450678.01ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 38.2MB in the beginning and 39.3MB in the end (delta: -1.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Witness Printer took 183.85ms. Allocated memory is still 94.4MB. Free memory was 39.3MB in the beginning and 65.5MB in the end (delta: -26.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 422.9s, OverallIterations: 5, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 198.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 71.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 1249 SdHoareTripleChecker+Invalid, 69.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 913 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1915 IncrementalHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 336 mSDtfsCounter, 1915 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 557 GetRequests, 481 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 232.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=2, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 23 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 221.0s InterpolantComputationTime, 535 NumberOfCodeBlocks, 535 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 530 ConstructedInterpolants, 0 QuantifiedInterpolants, 2737 SizeOfPredicates, 43 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2720/2720 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 17:56:29,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4134fd67-8e5c-40d0-8b7a-a8a9ec5c3612/bin/uautomizer-verify-jihMAELWvX/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 Writing output log to file Ultimate.log Result: TRUE