./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:19:09,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:19:09,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:19:09,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:19:09,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:19:09,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:19:09,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:19:09,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:19:09,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:19:09,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:19:09,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:19:09,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:19:09,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:19:09,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:19:09,850 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:19:09,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:19:09,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:19:09,851 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:19:09,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:19:09,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:19:09,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:19:09,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:19:09,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:19:09,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:19:09,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:19:09,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:19:09,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:19:09,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:19:09,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:19:09,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:19:09,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:19:09,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:19:09,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:09,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:19:09,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:19:09,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:19:09,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:19:09,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:19:09,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:19:09,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:19:09,863 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:19:09,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:19:09,864 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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 [2024-11-08 17:19:10,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:19:10,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:19:10,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:19:10,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:19:10,218 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:19:10,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i Unable to find full path for "g++" [2024-11-08 17:19:12,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:19:12,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:19:12,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-11-08 17:19:12,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data/3da94d849/e7a644a355234138a23963df225749ed/FLAGecad1646c [2024-11-08 17:19:12,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data/3da94d849/e7a644a355234138a23963df225749ed [2024-11-08 17:19:12,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:19:12,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:19:12,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:12,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:19:12,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:19:12,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eb50e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12, skipping insertion in model container [2024-11-08 17:19:12,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:19:12,582 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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 17:19:12,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:12,705 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:19:12,720 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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 17:19:12,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:12,756 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:19:12,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12 WrapperNode [2024-11-08 17:19:12,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:12,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:12,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:19:12,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:19:12,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,810 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-08 17:19:12,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:12,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:19:12,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:19:12,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:19:12,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,842 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 17:19:12,842 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:19:12,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:19:12,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:19:12,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:19:12,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (1/1) ... [2024-11-08 17:19:12,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:12,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:12,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:19:12,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:19:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:19:12,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:19:12,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:19:12,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:19:12,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:19:12,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:19:12,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:19:12,996 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:19:13,154 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:19:13,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:19:13,167 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:19:13,167 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:19:13,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:13 BoogieIcfgContainer [2024-11-08 17:19:13,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:19:13,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:19:13,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:19:13,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:19:13,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:19:12" (1/3) ... [2024-11-08 17:19:13,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b62114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:13, skipping insertion in model container [2024-11-08 17:19:13,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:12" (2/3) ... [2024-11-08 17:19:13,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b62114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:13, skipping insertion in model container [2024-11-08 17:19:13,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:13" (3/3) ... [2024-11-08 17:19:13,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-49.i [2024-11-08 17:19:13,208 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:19:13,208 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:19:13,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:19:13,292 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;@5df8f4bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:19:13,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:19:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:19:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 17:19:13,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:13,308 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 17:19:13,309 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:13,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash 426499891, now seen corresponding path program 1 times [2024-11-08 17:19:13,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:19:13,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64072648] [2024-11-08 17:19:13,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:13,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:19:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:19:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:19:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:19:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:19:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:19:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:19:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:19:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:19:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:19:13,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:19:13,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64072648] [2024-11-08 17:19:13,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64072648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:19:13,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:19:13,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:19:13,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452908822] [2024-11-08 17:19:13,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:19:13,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:19:13,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:19:13,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:19:13,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:19:13,681 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:19:13,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:13,700 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2024-11-08 17:19:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:19:13,703 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-08 17:19:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:13,709 INFO L225 Difference]: With dead ends: 61 [2024-11-08 17:19:13,709 INFO L226 Difference]: Without dead ends: 30 [2024-11-08 17:19:13,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 17:19:13,716 INFO L432 NwaCegarLoop]: 39 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, 39 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 17:19:13,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:19:13,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-08 17:19:13,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-08 17:19:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:19:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2024-11-08 17:19:13,756 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 55 [2024-11-08 17:19:13,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:13,757 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-08 17:19:13,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:19:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 17:19:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 17:19:13,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:13,761 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 17:19:13,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:19:13,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:13,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:13,764 INFO L85 PathProgramCache]: Analyzing trace with hash -2007471369, now seen corresponding path program 1 times [2024-11-08 17:19:13,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:19:13,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014187650] [2024-11-08 17:19:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:13,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:19:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:19:13,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:19:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:19:13,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:19:13,986 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:19:13,988 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:19:13,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:19:13,992 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:19:14,032 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:19:14,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:19:14 BoogieIcfgContainer [2024-11-08 17:19:14,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:19:14,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:19:14,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:19:14,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:19:14,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:13" (3/4) ... [2024-11-08 17:19:14,045 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:19:14,047 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:19:14,050 INFO L158 Benchmark]: Toolchain (without parser) took 1699.63ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 77.9MB in the beginning and 139.8MB in the end (delta: -61.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-08 17:19:14,051 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:14,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.42ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 77.8MB in the beginning and 170.2MB in the end (delta: -92.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-11-08 17:19:14,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.76ms. Allocated memory is still 203.4MB. Free memory was 170.2MB in the beginning and 172.6MB in the end (delta: -2.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-08 17:19:14,053 INFO L158 Benchmark]: Boogie Preprocessor took 43.61ms. Allocated memory is still 203.4MB. Free memory was 172.6MB in the beginning and 170.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:19:14,054 INFO L158 Benchmark]: RCFGBuilder took 312.30ms. Allocated memory is still 203.4MB. Free memory was 170.5MB in the beginning and 157.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:19:14,058 INFO L158 Benchmark]: TraceAbstraction took 869.07ms. Allocated memory is still 203.4MB. Free memory was 156.9MB in the beginning and 139.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-08 17:19:14,058 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 203.4MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:14,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 110.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.42ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 77.8MB in the beginning and 170.2MB in the end (delta: -92.4MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.76ms. Allocated memory is still 203.4MB. Free memory was 170.2MB in the beginning and 172.6MB in the end (delta: -2.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.61ms. Allocated memory is still 203.4MB. Free memory was 172.6MB in the beginning and 170.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.30ms. Allocated memory is still 203.4MB. Free memory was 170.5MB in the beginning and 157.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 869.07ms. Allocated memory is still 203.4MB. Free memory was 156.9MB in the beginning and 139.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 203.4MB. Free memory is still 139.8MB. 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 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.25; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = -1; [L25] signed long int var_1_4 = -256; [L26] float var_1_5 = 3.5; [L27] float var_1_6 = 32.5; VAL [isInitial=0, var_1_1=1/4, var_1_2=64, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L65] isInitial = 1 [L66] FCALL initially() [L67] COND TRUE 1 [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L44] var_1_2 = __VERIFIER_nondet_long() [L45] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L45] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L46] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L46] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-1, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L47] var_1_3 = __VERIFIER_nondet_long() [L48] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L48] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L49] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L49] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=-256, var_1_5=7/2, var_1_6=65/2] [L50] var_1_4 = __VERIFIER_nondet_long() [L51] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L51] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L52] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L52] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_5=7/2, var_1_6=65/2] [L53] var_1_5 = __VERIFIER_nondet_float() [L54] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_6=65/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_6=65/2] [L54] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_6=65/2] [L55] var_1_6 = __VERIFIER_nondet_float() [L56] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0] [L56] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0] [L69] RET updateVariables() [L70] CALL step() [L31] signed long int stepLocal_1 = var_1_2; [L32] signed long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=-100001, stepLocal_1=-100001, var_1_1=1/4, var_1_2=-100001, var_1_3=-100002, var_1_4=0] [L33] COND FALSE !(-100000 <= stepLocal_1) [L40] var_1_1 = var_1_6 VAL [isInitial=1, stepLocal_0=-100001, var_1_1=69, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_6=69] [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return (-100000 <= var_1_2) ? ((var_1_2 <= (var_1_3 + var_1_4)) ? (var_1_1 == ((float) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))) : (var_1_1 == ((float) ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))) : (var_1_1 == ((float) var_1_6)) ; VAL [\result=0, isInitial=1, var_1_1=69, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_6=69] [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=69, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_6=69] [L19] reach_error() VAL [isInitial=1, var_1_1=69, var_1_2=-100001, var_1_3=-100002, var_1_4=0, var_1_6=69] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 8, 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, 39 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, 39 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 112/112 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 17:19:14,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:19:16,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:19:16,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:19:16,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:19:16,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:19:16,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:19:16,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:19:16,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:19:16,674 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:19:16,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:19:16,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:19:16,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:19:16,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:19:16,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:19:16,678 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:19:16,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:19:16,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:19:16,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:19:16,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:19:16,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:19:16,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:19:16,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:19:16,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:19:16,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:19:16,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:19:16,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:19:16,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:19:16,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:19:16,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:19:16,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:19:16,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:19:16,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:19:16,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:19:16,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:19:16,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:16,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:19:16,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:19:16,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:19:16,690 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:19:16,691 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:19:16,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:19:16,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:19:16,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:19:16,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:19:16,692 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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee450cdb7362593087eaa4f51cf0609baf72f213a54e3b9dfb94348c9a8e8899 [2024-11-08 17:19:17,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:19:17,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:19:17,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:19:17,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:19:17,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:19:17,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i Unable to find full path for "g++" [2024-11-08 17:19:19,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:19:19,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:19:19,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-11-08 17:19:19,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data/bef67a527/59b8bd90d4aa4a29af2a8a1066fa8263/FLAGdb5dd7b4c [2024-11-08 17:19:19,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/data/bef67a527/59b8bd90d4aa4a29af2a8a1066fa8263 [2024-11-08 17:19:19,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:19:19,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:19:19,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:19,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:19:19,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:19:19,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395908df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19, skipping insertion in model container [2024-11-08 17:19:19,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:19:19,762 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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 17:19:19,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:19,812 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:19:19,828 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_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-49.i[915,928] [2024-11-08 17:19:19,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:19:19,876 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:19:19,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19 WrapperNode [2024-11-08 17:19:19,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:19:19,879 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:19,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:19:19,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:19:19,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,943 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 69 [2024-11-08 17:19:19,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:19:19,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:19:19,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:19:19,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:19:19,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,979 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 17:19:19,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,991 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:19,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:19:19,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:19:19,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:19:19,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:19:20,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (1/1) ... [2024-11-08 17:19:20,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:19:20,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:19:20,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:19:20,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:19:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:19:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:19:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:19:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:19:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:19:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:19:20,182 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:19:20,184 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:19:20,438 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 17:19:20,438 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:19:20,457 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:19:20,458 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:19:20,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:20 BoogieIcfgContainer [2024-11-08 17:19:20,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:19:20,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:19:20,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:19:20,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:19:20,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:19:19" (1/3) ... [2024-11-08 17:19:20,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60de8b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:20, skipping insertion in model container [2024-11-08 17:19:20,471 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:19:19" (2/3) ... [2024-11-08 17:19:20,471 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60de8b4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:19:20, skipping insertion in model container [2024-11-08 17:19:20,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:20" (3/3) ... [2024-11-08 17:19:20,474 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-49.i [2024-11-08 17:19:20,497 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:19:20,497 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:19:20,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:19:20,596 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;@90ff2bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:19:20,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:19:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:19:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 17:19:20,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:20,614 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 17:19:20,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:20,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:20,645 INFO L85 PathProgramCache]: Analyzing trace with hash 426499891, now seen corresponding path program 1 times [2024-11-08 17:19:20,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:19:20,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953787783] [2024-11-08 17:19:20,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:20,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 17:19:20,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:19:20,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:20,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:20,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:19:20,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-08 17:19:20,879 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:19:20,880 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:19:20,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953787783] [2024-11-08 17:19:20,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953787783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:19:20,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:19:20,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:19:20,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722923550] [2024-11-08 17:19:20,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:19:20,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:19:20,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:19:20,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:19:20,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:19:20,925 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:19:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:20,955 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2024-11-08 17:19:20,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:19:20,958 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-11-08 17:19:20,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:20,966 INFO L225 Difference]: With dead ends: 61 [2024-11-08 17:19:20,966 INFO L226 Difference]: Without dead ends: 30 [2024-11-08 17:19:20,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 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 17:19:20,974 INFO L432 NwaCegarLoop]: 39 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, 39 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 17:19:20,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:19:20,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-08 17:19:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-08 17:19:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:19:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2024-11-08 17:19:21,018 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 55 [2024-11-08 17:19:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:21,019 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-08 17:19:21,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:19:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 17:19:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 17:19:21,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:21,023 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 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 17:19:21,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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)] Ended with exit code 0 [2024-11-08 17:19:21,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:21,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:21,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:21,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2007471369, now seen corresponding path program 1 times [2024-11-08 17:19:21,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:19:21,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994403615] [2024-11-08 17:19:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:21,229 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 17:19:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:19:21,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:21,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:21,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:19:21,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:25,547 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 17:19:25,548 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:19:25,548 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:19:25,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994403615] [2024-11-08 17:19:25,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994403615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:19:25,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:19:25,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 17:19:25,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617758903] [2024-11-08 17:19:25,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:19:25,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:19:25,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:19:25,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:19:25,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:19:25,554 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-08 17:19:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:26,286 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2024-11-08 17:19:26,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:19:26,287 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 55 [2024-11-08 17:19:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:26,288 INFO L225 Difference]: With dead ends: 44 [2024-11-08 17:19:26,288 INFO L226 Difference]: Without dead ends: 42 [2024-11-08 17:19:26,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:19:26,290 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 43 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:26,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 120 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:19:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-08 17:19:26,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2024-11-08 17:19:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:19:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2024-11-08 17:19:26,302 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 55 [2024-11-08 17:19:26,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:26,302 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2024-11-08 17:19:26,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-08 17:19:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-11-08 17:19:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 17:19:26,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:26,304 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:19:26,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:26,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:26,506 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:26,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:26,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1957336667, now seen corresponding path program 1 times [2024-11-08 17:19:26,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:19:26,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855522836] [2024-11-08 17:19:26,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:26,508 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 17:19:26,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:19:26,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:26,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:26,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 17:19:26,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:28,584 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 17:19:28,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:19:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 17:19:37,398 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:19:37,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855522836] [2024-11-08 17:19:37,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855522836] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:19:37,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:19:37,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2024-11-08 17:19:37,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903774508] [2024-11-08 17:19:37,400 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:19:37,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 17:19:37,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:19:37,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 17:19:37,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:19:37,402 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-08 17:19:39,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:39,402 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-11-08 17:19:39,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:19:39,404 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 56 [2024-11-08 17:19:39,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:39,406 INFO L225 Difference]: With dead ends: 49 [2024-11-08 17:19:39,406 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 17:19:39,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:19:39,408 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 54 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:39,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 207 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 17:19:39,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 17:19:39,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2024-11-08 17:19:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.103448275862069) internal successors, (32), 29 states have internal predecessors, (32), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:19:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-08 17:19:39,419 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 56 [2024-11-08 17:19:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:39,419 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-08 17:19:39,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 states have internal predecessors, (35), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-08 17:19:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-08 17:19:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 17:19:39,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:19:39,421 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:19:39,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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)] Ended with exit code 0 [2024-11-08 17:19:39,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:39,622 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:19:39,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:19:39,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1959183709, now seen corresponding path program 1 times [2024-11-08 17:19:39,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:19:39,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563330740] [2024-11-08 17:19:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:19:39,624 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 17:19:39,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:19:39,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:39,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:19:39,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:19:39,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:19:41,658 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-08 17:19:41,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:19:41,659 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:19:41,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563330740] [2024-11-08 17:19:41,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563330740] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:19:41,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:19:41,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 17:19:41,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048950682] [2024-11-08 17:19:41,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:19:41,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:19:41,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:19:41,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:19:41,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:19:41,662 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:19:42,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:19:42,825 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2024-11-08 17:19:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:19:42,827 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2024-11-08 17:19:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:19:42,827 INFO L225 Difference]: With dead ends: 44 [2024-11-08 17:19:42,828 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:19:42,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:19:42,829 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 28 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:19:42,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 133 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:19:42,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:19:42,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:19:42,831 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 17:19:42,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:19:42,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-08 17:19:42,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:19:42,832 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:19:42,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:19:42,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:19:42,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:19:42,835 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:19:42,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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)] Ended with exit code 0 [2024-11-08 17:19:43,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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 17:19:43,039 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 17:19:43,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:19:44,730 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:19:44,742 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,743 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,744 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,744 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,745 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 17:19:44,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,754 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 17:19:44,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,755 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 17:19:44,756 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,757 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,757 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,757 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,757 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,758 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,758 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,758 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,758 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 17:19:44,759 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 17:19:44,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:19:44 BoogieIcfgContainer [2024-11-08 17:19:44,768 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:19:44,772 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:19:44,772 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:19:44,773 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:19:44,773 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:19:20" (3/4) ... [2024-11-08 17:19:44,779 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:19:44,803 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 17:19:44,811 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 17:19:44,812 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:19:44,812 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:19:44,812 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:19:44,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:19:44,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:19:44,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:19:44,914 INFO L158 Benchmark]: Toolchain (without parser) took 25403.05ms. Allocated memory was 73.4MB in the beginning and 211.8MB in the end (delta: 138.4MB). Free memory was 47.3MB in the beginning and 178.7MB in the end (delta: -131.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2024-11-08 17:19:44,915 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:19:44,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.00ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 33.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:19:44,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.31ms. Allocated memory is still 73.4MB. Free memory was 33.3MB in the beginning and 52.9MB in the end (delta: -19.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-08 17:19:44,916 INFO L158 Benchmark]: Boogie Preprocessor took 51.58ms. Allocated memory is still 73.4MB. Free memory was 52.9MB in the beginning and 50.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:19:44,916 INFO L158 Benchmark]: RCFGBuilder took 462.88ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 38.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 17:19:44,917 INFO L158 Benchmark]: TraceAbstraction took 24310.07ms. Allocated memory was 73.4MB in the beginning and 211.8MB in the end (delta: 138.4MB). Free memory was 38.2MB in the beginning and 184.0MB in the end (delta: -145.8MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2024-11-08 17:19:44,917 INFO L158 Benchmark]: Witness Printer took 141.43ms. Allocated memory is still 211.8MB. Free memory was 184.0MB in the beginning and 178.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:19:44,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.00ms. Allocated memory is still 73.4MB. Free memory was 47.1MB in the beginning and 33.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.31ms. Allocated memory is still 73.4MB. Free memory was 33.3MB in the beginning and 52.9MB in the end (delta: -19.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.58ms. Allocated memory is still 73.4MB. Free memory was 52.9MB in the beginning and 50.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.88ms. Allocated memory is still 73.4MB. Free memory was 50.5MB in the beginning and 38.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 24310.07ms. Allocated memory was 73.4MB in the beginning and 211.8MB in the end (delta: 138.4MB). Free memory was 38.2MB in the beginning and 184.0MB in the end (delta: -145.8MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Witness Printer took 141.43ms. Allocated memory is still 211.8MB. Free memory was 184.0MB in the beginning and 178.7MB in the end (delta: 5.2MB). 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: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - 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: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - 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: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - 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: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 4, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 499 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 384 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 669 IncrementalHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 115 mSDtfsCounter, 669 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=3, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 273 ConstructedInterpolants, 3 QuantifiedInterpolants, 3115 SizeOfPredicates, 27 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 554/560 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_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 17:19:44,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1ae143-71a5-47e8-9f24-0f2c6493ba79/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