./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya --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 d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:51:28,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:51:29,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 01:51:29,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:51:29,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:51:29,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:51:29,032 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:51:29,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:51:29,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:51:29,034 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:51:29,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:51:29,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:51:29,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:51:29,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:51:29,037 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:51:29,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:51:29,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:51:29,038 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:51:29,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:51:29,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:51:29,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:51:29,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:51:29,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:51:29,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:51:29,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:51:29,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:51:29,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:51:29,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:51:29,043 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:51:29,044 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:51:29,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:51:29,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:51:29,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:51:29,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:51:29,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:51:29,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:51:29,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 01:51:29,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:51:29,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:51:29,046 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:51:29,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:51:29,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:51:29,047 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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 [2023-11-29 01:51:29,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:51:29,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:51:29,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:51:29,263 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:51:29,263 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:51:29,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2023-11-29 01:51:32,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:51:32,202 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:51:32,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2023-11-29 01:51:32,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data/edee02e38/449d2d83f7154bd8805c16ccb552a43b/FLAGad4a6c87c [2023-11-29 01:51:32,224 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data/edee02e38/449d2d83f7154bd8805c16ccb552a43b [2023-11-29 01:51:32,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:51:32,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:51:32,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:51:32,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:51:32,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:51:32,235 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f3a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32, skipping insertion in model container [2023-11-29 01:51:32,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:51:32,378 WARN L240 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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2023-11-29 01:51:32,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:51:32,429 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:51:32,439 WARN L240 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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2023-11-29 01:51:32,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:51:32,479 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:51:32,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32 WrapperNode [2023-11-29 01:51:32,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:51:32,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:51:32,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:51:32,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:51:32,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,525 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2023-11-29 01:51:32,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:51:32,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:51:32,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:51:32,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:51:32,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,549 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]. [2023-11-29 01:51:32,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:51:32,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:51:32,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:51:32,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:51:32,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (1/1) ... [2023-11-29 01:51:32,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:51:32,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:51:32,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:51:32,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:51:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:51:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:51:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:51:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 01:51:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:51:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:51:32,717 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:51:32,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:51:32,945 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:51:32,984 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:51:32,985 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:51:32,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:51:32 BoogieIcfgContainer [2023-11-29 01:51:32,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:51:32,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:51:32,988 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:51:32,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:51:32,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:51:32" (1/3) ... [2023-11-29 01:51:32,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311b079a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:51:32, skipping insertion in model container [2023-11-29 01:51:32,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:51:32" (2/3) ... [2023-11-29 01:51:32,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311b079a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:51:32, skipping insertion in model container [2023-11-29 01:51:32,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:51:32" (3/3) ... [2023-11-29 01:51:32,994 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-16.i [2023-11-29 01:51:33,028 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:51:33,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:51:33,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:51:33,073 INFO L357 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, mHoare=true, 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;@5656e3c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:51:33,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:51:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:51:33,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 01:51:33,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:33,089 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:51:33,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:33,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:33,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2008695412, now seen corresponding path program 1 times [2023-11-29 01:51:33,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:33,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856254147] [2023-11-29 01:51:33,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:33,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:33,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:51:33,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856254147] [2023-11-29 01:51:33,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 01:51:33,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762322410] [2023-11-29 01:51:33,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:33,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:51:33,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:51:33,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:51:33,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 01:51:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:33,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:51:33,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:51:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-29 01:51:33,441 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:51:33,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762322410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:51:33,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:51:33,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:51:33,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969483284] [2023-11-29 01:51:33,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:51:33,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:51:33,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:51:33,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:51:33,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:51:33,475 INFO L87 Difference]: Start difference. First operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 01:51:33,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:51:33,509 INFO L93 Difference]: Finished difference Result 101 states and 181 transitions. [2023-11-29 01:51:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:51:33,512 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 125 [2023-11-29 01:51:33,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:51:33,519 INFO L225 Difference]: With dead ends: 101 [2023-11-29 01:51:33,520 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 01:51:33,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:51:33,527 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 01:51:33,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 01:51:33,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 01:51:33,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 01:51:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:51:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 76 transitions. [2023-11-29 01:51:33,569 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 76 transitions. Word has length 125 [2023-11-29 01:51:33,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:51:33,570 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 76 transitions. [2023-11-29 01:51:33,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 01:51:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2023-11-29 01:51:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 01:51:33,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:51:33,574 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:51:33,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:51:33,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:51:33,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:51:33,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:51:33,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1801212334, now seen corresponding path program 1 times [2023-11-29 01:51:33,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:51:33,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919748302] [2023-11-29 01:51:33,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:33,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:51:33,836 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:51:33,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079851649] [2023-11-29 01:51:33,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:51:33,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:51:33,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:51:33,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:51:33,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 01:51:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:51:33,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 01:51:33,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:51:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 312 proven. 96 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2023-11-29 01:51:35,048 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:52:55,069 WARN L293 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 48 DAG size of output: 47 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 01:52:55,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:52:55,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919748302] [2023-11-29 01:52:55,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 01:52:55,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079851649] [2023-11-29 01:52:55,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079851649] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:52:55,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 01:52:55,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-29 01:52:55,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602745096] [2023-11-29 01:52:55,073 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 01:52:55,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 01:52:55,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:52:55,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 01:52:55,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=94, Unknown=1, NotChecked=0, Total=132 [2023-11-29 01:52:55,076 INFO L87 Difference]: Start difference. First operand 50 states and 76 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 01:52:56,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:52:56,148 INFO L93 Difference]: Finished difference Result 164 states and 240 transitions. [2023-11-29 01:52:56,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 01:52:56,149 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 125 [2023-11-29 01:52:56,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:52:56,153 INFO L225 Difference]: With dead ends: 164 [2023-11-29 01:52:56,153 INFO L226 Difference]: Without dead ends: 115 [2023-11-29 01:52:56,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 19.4s TimeCoverageRelationStatistics Valid=147, Invalid=314, Unknown=1, NotChecked=0, Total=462 [2023-11-29 01:52:56,157 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 58 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 01:52:56,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 313 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 01:52:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-29 01:52:56,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 103. [2023-11-29 01:52:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 56 states have internal predecessors, (67), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 01:52:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2023-11-29 01:52:56,187 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 125 [2023-11-29 01:52:56,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:52:56,188 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2023-11-29 01:52:56,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 9 states have internal predecessors, (35), 3 states have call successors, (21), 3 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 01:52:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2023-11-29 01:52:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 01:52:56,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:52:56,191 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:52:56,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 01:52:56,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:52:56,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:52:56,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:52:56,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1684408336, now seen corresponding path program 1 times [2023-11-29 01:52:56,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:52:56,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250466749] [2023-11-29 01:52:56,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:52:56,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:52:56,435 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 01:52:56,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660710019] [2023-11-29 01:52:56,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:52:56,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:52:56,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:52:56,437 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:52:56,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 01:52:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:52:56,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:52:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:52:56,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:52:56,643 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 01:52:56,644 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 01:52:56,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 01:52:56,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:52:56,851 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 01:52:56,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 01:52:56,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:52:56 BoogieIcfgContainer [2023-11-29 01:52:56,930 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 01:52:56,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:52:56,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:52:56,931 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:52:56,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:51:32" (3/4) ... [2023-11-29 01:52:56,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:52:56,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:52:56,935 INFO L158 Benchmark]: Toolchain (without parser) took 84706.53ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 125.6MB in the beginning and 182.4MB in the end (delta: -56.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-29 01:52:56,936 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:52:56,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.22ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 113.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 01:52:56,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.66ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 110.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:52:56,937 INFO L158 Benchmark]: Boogie Preprocessor took 35.27ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 108.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:52:56,938 INFO L158 Benchmark]: RCFGBuilder took 423.04ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 90.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 01:52:56,938 INFO L158 Benchmark]: TraceAbstraction took 83941.86ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 89.6MB in the beginning and 183.4MB in the end (delta: -93.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:52:56,939 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 234.9MB. Free memory is still 182.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:52:56,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.22ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 113.1MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.66ms. Allocated memory is still 161.5MB. Free memory was 113.1MB in the beginning and 110.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.27ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 108.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.04ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 90.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 83941.86ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 89.6MB in the beginning and 183.4MB in the end (delta: -93.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 234.9MB. Free memory is still 182.4MB. 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 103, overapproximation of someBinaryDOUBLEComparisonOperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] signed short int var_1_3 = 4; [L24] signed short int var_1_4 = 256; [L25] unsigned char var_1_5 = 0; [L26] unsigned char var_1_6 = 1; [L27] float var_1_7 = 1000000.8; [L28] float var_1_8 = 3.8; [L29] signed char var_1_9 = 25; [L30] float var_1_10 = 2.75; [L31] signed char var_1_11 = 0; [L32] signed char var_1_12 = 32; [L33] signed char var_1_13 = 2; [L34] signed char var_1_14 = 2; [L35] signed short int var_1_15 = -32; [L36] signed char last_1_var_1_9 = 25; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_9 = var_1_9 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_short() [L68] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L68] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L69] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L70] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=256, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_short() [L72] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L72] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L73] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L74] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=0, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L75] var_1_5 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L76] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L77] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L78] var_1_6 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L79] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L80] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_8=19/5, var_1_9=25] [L81] var_1_8 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_10=11/4, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L84] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L85] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L86] var_1_11 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L88] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=32, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L90] RET assume_abort_if_not(var_1_12 >= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L91] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=2, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L94] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=2, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L111] RET updateVariables() [L112] CALL step() [L40] COND FALSE !((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) VAL [isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=5000004/5, var_1_9=25] [L43] var_1_7 = var_1_8 [L44] signed char stepLocal_2 = var_1_11; [L45] unsigned char stepLocal_1 = 99999.375 <= var_1_10; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, stepLocal_2=0, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-32, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L46] COND FALSE !(var_1_13 <= stepLocal_2) [L51] var_1_15 = -25 VAL [isInitial=1, last_1_var_1_9=25, stepLocal_1=1, stepLocal_2=0, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L53] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, stepLocal_2=0, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L54] COND FALSE !(var_1_8 < (var_1_7 / var_1_10)) VAL [isInitial=1, last_1_var_1_9=25, stepLocal_0=1, stepLocal_1=1, stepLocal_2=0, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_9 % ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4)))) <= -1000000) ? (var_1_1 == ((unsigned char) (var_1_5 || var_1_6))) : 1) && (var_1_7 == ((float) var_1_8))) && ((var_1_8 < (var_1_7 / var_1_10)) ? ((var_1_1 || var_1_6) ? (var_1_9 == ((signed char) ((((((var_1_11) > (5)) ? (var_1_11) : (5))) + (var_1_12 - var_1_13)) - var_1_14))) : ((var_1_10 > var_1_8) ? (var_1_9 == ((signed char) var_1_11)) : (var_1_9 == ((signed char) var_1_12)))) : 1)) && ((var_1_13 <= var_1_11) ? (((var_1_8 < var_1_7) && (99999.375 <= var_1_10)) ? (var_1_15 == ((signed short int) (var_1_13 + var_1_14))) : 1) : (var_1_15 == ((signed short int) -25))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=25, var_1_11=0, var_1_12=31, var_1_13=1, var_1_14=0, var_1_15=-25, var_1_1=1, var_1_3=2, var_1_4=-1, var_1_5=1, var_1_6=1, var_1_7=2, var_1_8=2, var_1_9=25] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 83.8s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 386 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 260 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 126 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 351 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 81.2s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 1352 SizeOfPredicates, 6 NumberOfNonLiveVariables, 578 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1584/1680 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 [2023-11-29 01:52:57,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya --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 d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:52:58,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:52:58,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 01:52:59,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:52:59,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:52:59,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:52:59,040 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:52:59,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:52:59,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:52:59,041 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:52:59,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 01:52:59,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 01:52:59,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:52:59,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:52:59,045 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:52:59,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:52:59,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 01:52:59,047 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:52:59,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:52:59,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:52:59,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 01:52:59,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 01:52:59,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 01:52:59,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 01:52:59,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 01:52:59,050 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 01:52:59,051 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:52:59,051 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:52:59,052 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:52:59,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:52:59,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:52:59,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 01:52:59,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 01:52:59,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:52:59,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:52:59,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 01:52:59,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 01:52:59,055 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 01:52:59,055 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 01:52:59,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 01:52:59,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 01:52:59,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 01:52:59,056 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 01:52:59,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 01:52:59,056 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 01:52:59,056 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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62049a8671dc4126607d95338b3f088a05730ad2ea95c2a5aaf3301f472a609 [2023-11-29 01:52:59,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:52:59,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:52:59,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:52:59,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:52:59,355 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:52:59,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2023-11-29 01:53:02,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:53:02,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:53:02,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i [2023-11-29 01:53:02,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data/157c8d4d6/e8b4376f98234407a22660d8219fc247/FLAG6b79e7ed2 [2023-11-29 01:53:02,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/data/157c8d4d6/e8b4376f98234407a22660d8219fc247 [2023-11-29 01:53:02,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:53:02,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:53:02,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:53:02,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:53:02,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:53:02,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b2c476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02, skipping insertion in model container [2023-11-29 01:53:02,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:53:02,637 WARN L240 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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2023-11-29 01:53:02,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:53:02,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:53:02,722 WARN L240 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_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-16.i[917,930] [2023-11-29 01:53:02,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:53:02,770 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:53:02,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02 WrapperNode [2023-11-29 01:53:02,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:53:02,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:53:02,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:53:02,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:53:02,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,827 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-29 01:53:02,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:53:02,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:53:02,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:53:02,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:53:02,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,848 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,863 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]. [2023-11-29 01:53:02,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:53:02,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:53:02,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:53:02,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:53:02,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (1/1) ... [2023-11-29 01:53:02,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 01:53:02,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:53:02,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 01:53:02,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 01:53:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 01:53:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 01:53:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 01:53:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 01:53:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:53:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:53:03,048 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:53:03,050 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:53:08,309 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:53:08,357 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:53:08,358 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:53:08,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:53:08 BoogieIcfgContainer [2023-11-29 01:53:08,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:53:08,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 01:53:08,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 01:53:08,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 01:53:08,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:53:02" (1/3) ... [2023-11-29 01:53:08,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb108d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:53:08, skipping insertion in model container [2023-11-29 01:53:08,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:53:02" (2/3) ... [2023-11-29 01:53:08,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb108d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:53:08, skipping insertion in model container [2023-11-29 01:53:08,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:53:08" (3/3) ... [2023-11-29 01:53:08,370 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-16.i [2023-11-29 01:53:08,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 01:53:08,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 01:53:08,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 01:53:08,455 INFO L357 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, mHoare=true, 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;@746465c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 01:53:08,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 01:53:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:53:08,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 01:53:08,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:53:08,480 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:53:08,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:53:08,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:53:08,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2008695412, now seen corresponding path program 1 times [2023-11-29 01:53:08,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:53:08,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508006115] [2023-11-29 01:53:08,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:53:08,507 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 [2023-11-29 01:53:08,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:53:08,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:53:08,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:53:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:53:09,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 01:53:09,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:53:09,067 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-29 01:53:09,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 01:53:09,068 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 01:53:09,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508006115] [2023-11-29 01:53:09,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508006115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:53:09,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:53:09,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 01:53:09,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422678234] [2023-11-29 01:53:09,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:53:09,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 01:53:09,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 01:53:09,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 01:53:09,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:53:09,120 INFO L87 Difference]: Start difference. First operand has 52 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 01:53:10,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 01:53:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:53:10,731 INFO L93 Difference]: Finished difference Result 101 states and 181 transitions. [2023-11-29 01:53:10,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 01:53:10,781 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 125 [2023-11-29 01:53:10,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 01:53:10,790 INFO L225 Difference]: With dead ends: 101 [2023-11-29 01:53:10,790 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 01:53:10,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 01:53:10,797 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 01:53:10,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 01:53:10,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 01:53:10,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 01:53:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 01:53:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 75 transitions. [2023-11-29 01:53:10,847 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 75 transitions. Word has length 125 [2023-11-29 01:53:10,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 01:53:10,848 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 75 transitions. [2023-11-29 01:53:10,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 01:53:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2023-11-29 01:53:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 01:53:10,853 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 01:53:10,853 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:53:10,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:53:11,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:53:11,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 01:53:11,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:53:11,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1684408336, now seen corresponding path program 1 times [2023-11-29 01:53:11,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 01:53:11,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558339437] [2023-11-29 01:53:11,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:53:11,058 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 [2023-11-29 01:53:11,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 01:53:11,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 01:53:11,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd95fbbc-40f9-4ec4-bc45-a04c14bd5884/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 01:53:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:53:11,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 01:53:11,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:53:54,634 WARN L293 SmtUtils]: Spent 10.81s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)