./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU --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 b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:00,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:00,629 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:16:00,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:00,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:00,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:00,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:00,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:00,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:00,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:00,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:00,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:00,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:00,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:00,684 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:00,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:00,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:00,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:00,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:00,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:00,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:00,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:00,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:00,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:00,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:00,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:00,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:00,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:00,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:00,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:00,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:00,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:00,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:00,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:00,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:00,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:00,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:00,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:00,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:00,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:00,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:00,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:00,704 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_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2024-10-31 22:16:00,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:01,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:01,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:01,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:01,034 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:01,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i Unable to find full path for "g++" [2024-10-31 22:16:03,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:03,344 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:03,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-10-31 22:16:03,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data/ec66738dc/98e52a200ea74561935cacefff4f6a1a/FLAG63a0aad47 [2024-10-31 22:16:03,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data/ec66738dc/98e52a200ea74561935cacefff4f6a1a [2024-10-31 22:16:03,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:03,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:03,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:03,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:03,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:03,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709a3b08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03, skipping insertion in model container [2024-10-31 22:16:03,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:03,704 WARN L251 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_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-10-31 22:16:03,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:03,776 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:03,793 WARN L251 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_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-10-31 22:16:03,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:03,830 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:03,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03 WrapperNode [2024-10-31 22:16:03,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:03,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:03,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:03,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:03,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,885 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-10-31 22:16:03,890 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:03,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:03,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:03,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:03,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,910 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,925 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]. [2024-10-31 22:16:03,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:03,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:03,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:03,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:03,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (1/1) ... [2024-10-31 22:16:03,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:03,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:03,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:04,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:04,115 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:04,120 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:04,343 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:04,343 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:04,357 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:04,357 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:16:04,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:04 BoogieIcfgContainer [2024-10-31 22:16:04,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:04,363 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:04,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:04,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:04,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:03" (1/3) ... [2024-10-31 22:16:04,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c96f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:04, skipping insertion in model container [2024-10-31 22:16:04,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:03" (2/3) ... [2024-10-31 22:16:04,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26c96f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:04, skipping insertion in model container [2024-10-31 22:16:04,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:04" (3/3) ... [2024-10-31 22:16:04,373 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-76.i [2024-10-31 22:16:04,395 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:04,395 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:04,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:04,479 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;@4f331f4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:04,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:04,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:16:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:16:04,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:04,513 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:04,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:04,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:04,523 INFO L85 PathProgramCache]: Analyzing trace with hash -621472132, now seen corresponding path program 1 times [2024-10-31 22:16:04,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:04,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059220337] [2024-10-31 22:16:04,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:04,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:16:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:16:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:16:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 22:16:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:16:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:16:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:16:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:16:04,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:04,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059220337] [2024-10-31 22:16:04,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059220337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:04,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:04,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:04,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929102842] [2024-10-31 22:16:04,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:04,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:16:04,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:04,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:16:04,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:04,954 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:16:04,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:04,981 INFO L93 Difference]: Finished difference Result 61 states and 91 transitions. [2024-10-31 22:16:04,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:16:04,986 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-10-31 22:16:04,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:04,997 INFO L225 Difference]: With dead ends: 61 [2024-10-31 22:16:04,998 INFO L226 Difference]: Without dead ends: 30 [2024-10-31 22:16:05,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:05,013 INFO L432 NwaCegarLoop]: 38 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, 38 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 [2024-10-31 22:16:05,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:16:05,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-31 22:16:05,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-31 22:16:05,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:16:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-10-31 22:16:05,111 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 52 [2024-10-31 22:16:05,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:05,111 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-10-31 22:16:05,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:16:05,113 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-10-31 22:16:05,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:16:05,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:05,115 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:05,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:16:05,116 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:05,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:05,118 INFO L85 PathProgramCache]: Analyzing trace with hash 176339458, now seen corresponding path program 1 times [2024-10-31 22:16:05,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:05,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034207510] [2024-10-31 22:16:05,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:05,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:16:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:16:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:16:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 22:16:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:16:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:16:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:16:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:16:05,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:05,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034207510] [2024-10-31 22:16:05,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034207510] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:05,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:05,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:05,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902246870] [2024-10-31 22:16:05,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:05,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:05,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:05,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:05,651 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:16:05,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:05,821 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2024-10-31 22:16:05,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:05,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2024-10-31 22:16:05,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:05,824 INFO L225 Difference]: With dead ends: 57 [2024-10-31 22:16:05,826 INFO L226 Difference]: Without dead ends: 30 [2024-10-31 22:16:05,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:05,830 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:05,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 34 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:16:05,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-31 22:16:05,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-31 22:16:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:16:05,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-10-31 22:16:05,853 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 52 [2024-10-31 22:16:05,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:05,855 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-10-31 22:16:05,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:16:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-10-31 22:16:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:16:05,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:05,865 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:05,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:16:05,865 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:05,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:05,866 INFO L85 PathProgramCache]: Analyzing trace with hash 233597760, now seen corresponding path program 1 times [2024-10-31 22:16:05,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:05,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071672803] [2024-10-31 22:16:05,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:05,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:05,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:06,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:06,034 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:16:06,036 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:16:06,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:16:06,042 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:16:06,113 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:16:06,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:16:06 BoogieIcfgContainer [2024-10-31 22:16:06,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:16:06,123 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:16:06,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:16:06,123 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:16:06,124 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:04" (3/4) ... [2024-10-31 22:16:06,128 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:16:06,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:16:06,130 INFO L158 Benchmark]: Toolchain (without parser) took 2742.40ms. Allocated memory is still 157.3MB. Free memory was 119.4MB in the beginning and 119.6MB in the end (delta: -185.0kB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:06,130 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:06,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.33ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 106.0MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:06,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.09ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:06,134 INFO L158 Benchmark]: Boogie Preprocessor took 59.55ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:16:06,135 INFO L158 Benchmark]: RCFGBuilder took 406.76ms. Allocated memory is still 157.3MB. Free memory was 102.1MB in the beginning and 90.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:16:06,135 INFO L158 Benchmark]: TraceAbstraction took 1755.18ms. Allocated memory is still 157.3MB. Free memory was 89.4MB in the beginning and 120.6MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:06,136 INFO L158 Benchmark]: Witness Printer took 6.12ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:06,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.33ms. Allocated memory is still 157.3MB. Free memory was 119.1MB in the beginning and 106.0MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.09ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 104.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.55ms. Allocated memory is still 157.3MB. Free memory was 104.2MB in the beginning and 102.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 406.76ms. Allocated memory is still 157.3MB. Free memory was 102.1MB in the beginning and 90.0MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1755.18ms. Allocated memory is still 157.3MB. Free memory was 89.4MB in the beginning and 120.6MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.12ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 32.81; [L23] float var_1_3 = 256.25; [L24] float var_1_4 = 1.75; [L25] double var_1_5 = 10000000.5; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed char var_1_10 = 5; [L30] double last_1_var_1_1 = 32.81; [L31] unsigned char last_1_var_1_6 = 0; VAL [isInitial=0, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_3=1025/4, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] CALL updateLastVariables() [L58] last_1_var_1_1 = var_1_1 [L59] last_1_var_1_6 = var_1_6 VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_3=1025/4, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L69] RET updateLastVariables() [L70] CALL updateVariables() [L44] var_1_3 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L45] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L46] var_1_4 = __VERIFIER_nondet_float() [L47] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L47] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L48] var_1_5 = __VERIFIER_nondet_double() [L49] 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, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L49] 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, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L50] var_1_8 = __VERIFIER_nondet_uchar() [L51] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L51] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L52] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L70] RET updateVariables() [L71] CALL step() [L35] COND FALSE !(last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L38] COND FALSE !(\read(last_1_var_1_6)) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L41] var_1_10 = -50 VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) ? (var_1_1 == ((double) var_1_5)) : 1) && (last_1_var_1_6 ? (var_1_6 == ((unsigned char) (! (var_1_8 || var_1_9)))) : 1)) && (var_1_10 == ((signed char) -50)) ; VAL [\result=0, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 72 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 168/168 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 [2024-10-31 22:16:06,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU --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 b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:08,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:09,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:16:09,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:09,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:09,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:09,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:09,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:09,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:09,211 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:09,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:09,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:09,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:09,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:09,216 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:09,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:09,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:09,218 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:09,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:09,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:09,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:09,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:09,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:09,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:16:09,225 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:16:09,226 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:09,226 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:16:09,226 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:09,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:09,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:09,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:09,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:09,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:09,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:09,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:09,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:09,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:09,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:09,235 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:16:09,235 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:16:09,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:09,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:09,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:09,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:09,237 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:16:09,238 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_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2024-10-31 22:16:09,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:09,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:09,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:09,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:09,763 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:09,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i Unable to find full path for "g++" [2024-10-31 22:16:11,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:12,276 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:12,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2024-10-31 22:16:12,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data/e944a39d8/8e2b1658129c4338a8a3d66bb79930bf/FLAG62b2c229e [2024-10-31 22:16:12,554 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/data/e944a39d8/8e2b1658129c4338a8a3d66bb79930bf [2024-10-31 22:16:12,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:12,558 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:12,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:12,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:12,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:12,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e4caa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12, skipping insertion in model container [2024-10-31 22:16:12,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:12,790 WARN L251 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_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-10-31 22:16:12,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:12,845 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:12,858 WARN L251 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_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2024-10-31 22:16:12,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:12,903 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:12,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12 WrapperNode [2024-10-31 22:16:12,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:12,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:12,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:12,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:12,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,961 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-10-31 22:16:12,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:12,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:12,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:12,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:12,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:12,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,000 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]. [2024-10-31 22:16:13,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:13,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:13,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:13,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:13,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (1/1) ... [2024-10-31 22:16:13,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:13,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:13,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:13,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:16:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:13,249 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:13,251 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:14,492 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:14,492 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:14,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:14,511 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:16:14,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:14 BoogieIcfgContainer [2024-10-31 22:16:14,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:14,514 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:14,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:14,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:14,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:12" (1/3) ... [2024-10-31 22:16:14,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6627d9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:14, skipping insertion in model container [2024-10-31 22:16:14,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:12" (2/3) ... [2024-10-31 22:16:14,520 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6627d9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:14, skipping insertion in model container [2024-10-31 22:16:14,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:14" (3/3) ... [2024-10-31 22:16:14,522 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-76.i [2024-10-31 22:16:14,535 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:14,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:14,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:14,616 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;@73fe6c72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:14,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:16:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:16:14,631 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:14,632 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:14,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:14,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash -621472132, now seen corresponding path program 1 times [2024-10-31 22:16:14,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:16:14,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632116858] [2024-10-31 22:16:14,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:14,659 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 [2024-10-31 22:16:14,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:16:14,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:16:14,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:16:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:14,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:16:14,912 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:14,980 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:14,980 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:16:14,983 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:16:14,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632116858] [2024-10-31 22:16:14,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632116858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:14,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:14,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:14,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940561550] [2024-10-31 22:16:14,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:14,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:16:14,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:16:15,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:16:15,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:15,023 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:16:15,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:15,054 INFO L93 Difference]: Finished difference Result 61 states and 91 transitions. [2024-10-31 22:16:15,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:16:15,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-10-31 22:16:15,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:15,064 INFO L225 Difference]: With dead ends: 61 [2024-10-31 22:16:15,065 INFO L226 Difference]: Without dead ends: 30 [2024-10-31 22:16:15,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:16:15,075 INFO L432 NwaCegarLoop]: 38 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, 38 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 [2024-10-31 22:16:15,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:16:15,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-31 22:16:15,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-31 22:16:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:16:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-10-31 22:16:15,128 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 52 [2024-10-31 22:16:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:15,129 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-10-31 22:16:15,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:16:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-10-31 22:16:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:16:15,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:15,134 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:15,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:16:15,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:16:15,340 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:15,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash 176339458, now seen corresponding path program 1 times [2024-10-31 22:16:15,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:16:15,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1874750314] [2024-10-31 22:16:15,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:15,343 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 [2024-10-31 22:16:15,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:16:15,347 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:16:15,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:16:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:15,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:16:15,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:16:15,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:16:15,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:16:15,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1874750314] [2024-10-31 22:16:15,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1874750314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:15,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:15,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:16:15,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908026454] [2024-10-31 22:16:15,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:15,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:15,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:16:15,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:15,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:15,976 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:16:16,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:16,500 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2024-10-31 22:16:16,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:16,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 52 [2024-10-31 22:16:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:16,511 INFO L225 Difference]: With dead ends: 57 [2024-10-31 22:16:16,511 INFO L226 Difference]: Without dead ends: 30 [2024-10-31 22:16:16,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:16,513 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:16,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 34 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:16:16,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-10-31 22:16:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-10-31 22:16:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-31 22:16:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-10-31 22:16:16,524 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 52 [2024-10-31 22:16:16,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:16,525 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-10-31 22:16:16,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-31 22:16:16,537 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-10-31 22:16:16,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:16:16,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:16,542 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:16,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-31 22:16:16,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:16:16,744 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:16,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:16,744 INFO L85 PathProgramCache]: Analyzing trace with hash 233597760, now seen corresponding path program 1 times [2024-10-31 22:16:16,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:16:16,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296572924] [2024-10-31 22:16:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:16,746 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 [2024-10-31 22:16:16,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:16:16,748 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:16:16,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a3bc05-bff5-42db-89cc-c5f4dfb1780b/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:16:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:16,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:16:16,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:39,363 WARN L286 SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)