./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a066ceb57ae616cacea03e0962ddb0f72c30615de7f169bd50844b1bbd2737e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:18:16,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:18:16,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:18:16,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:18:16,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:18:16,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:18:16,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:18:16,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:18:16,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:18:16,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:18:16,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:18:16,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:18:16,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:18:16,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:18:16,479 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:18:16,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:18:16,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:18:16,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:18:16,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:18:16,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:18:16,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:18:16,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:18:16,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:18:16,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:18:16,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:18:16,485 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:18:16,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:18:16,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:18:16,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:18:16,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:18:16,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:18:16,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:18:16,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:18:16,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:18:16,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:18:16,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:18:16,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:18:16,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:18:16,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:18:16,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:18:16,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:18:16,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:18:16,498 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_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a066ceb57ae616cacea03e0962ddb0f72c30615de7f169bd50844b1bbd2737e4 [2024-11-08 19:18:16,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:18:16,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:18:16,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:18:16,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:18:16,807 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:18:16,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i Unable to find full path for "g++" [2024-11-08 19:18:18,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:18:19,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:18:19,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i [2024-11-08 19:18:19,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data/f17cff3cf/3b192848855742fd84145ef9d2d7d24f/FLAG4bcc37e4a [2024-11-08 19:18:19,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data/f17cff3cf/3b192848855742fd84145ef9d2d7d24f [2024-11-08 19:18:19,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:18:19,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:18:19,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:18:19,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:18:19,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:18:19,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66675e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19, skipping insertion in model container [2024-11-08 19:18:19,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:18:19,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i[917,930] [2024-11-08 19:18:19,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:18:19,338 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:18:19,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i[917,930] [2024-11-08 19:18:19,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:18:19,393 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:18:19,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19 WrapperNode [2024-11-08 19:18:19,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:18:19,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:18:19,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:18:19,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:18:19,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,458 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-08 19:18:19,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:18:19,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:18:19,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:18:19,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:18:19,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,490 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:18:19,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:18:19,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:18:19,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:18:19,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:18:19,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (1/1) ... [2024-11-08 19:18:19,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:18:19,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:18:19,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:18:19,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:18:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:18:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:18:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:18:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:18:19,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:18:19,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:18:19,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:18:19,724 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:18:20,098 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 19:18:20,098 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:18:20,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:18:20,116 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:18:20,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:18:20 BoogieIcfgContainer [2024-11-08 19:18:20,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:18:20,120 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:18:20,120 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:18:20,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:18:20,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:18:19" (1/3) ... [2024-11-08 19:18:20,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d89f1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:18:20, skipping insertion in model container [2024-11-08 19:18:20,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:19" (2/3) ... [2024-11-08 19:18:20,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d89f1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:18:20, skipping insertion in model container [2024-11-08 19:18:20,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:18:20" (3/3) ... [2024-11-08 19:18:20,129 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-68.i [2024-11-08 19:18:20,154 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:18:20,154 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:18:20,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:18:20,249 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@87a306c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:18:20,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:18:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:18:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:18:20,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:20,273 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:20,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:18:20,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:20,281 INFO L85 PathProgramCache]: Analyzing trace with hash -392537172, now seen corresponding path program 1 times [2024-11-08 19:18:20,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:18:20,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075700825] [2024-11-08 19:18:20,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:20,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:18:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:18:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:18:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:18:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:18:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:18:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:18:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:18:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:18:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:18:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:18:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:18:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 19:18:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:18:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 19:18:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:18:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:18:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:18:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 19:18:20,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:18:20,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075700825] [2024-11-08 19:18:20,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075700825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:18:20,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:18:20,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:18:20,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256912766] [2024-11-08 19:18:20,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:18:20,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:18:20,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:18:20,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:18:20,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:18:20,848 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 19:18:20,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:18:20,883 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-08 19:18:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:18:20,887 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-08 19:18:20,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:18:20,897 INFO L225 Difference]: With dead ends: 101 [2024-11-08 19:18:20,897 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 19:18:20,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:18:20,908 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:18:20,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:18:20,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 19:18:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 19:18:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:18:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-08 19:18:20,968 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-08 19:18:20,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:18:20,969 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-08 19:18:20,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 19:18:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-08 19:18:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:18:20,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:20,974 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:20,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:18:20,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:18:20,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:20,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1212662190, now seen corresponding path program 1 times [2024-11-08 19:18:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:18:20,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76928446] [2024-11-08 19:18:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:20,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:18:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:18:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:18:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:18:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:18:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:18:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:18:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:18:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:18:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:18:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 19:18:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:18:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 19:18:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:18:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 19:18:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:18:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:18:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:18:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 19:18:21,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:18:21,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76928446] [2024-11-08 19:18:21,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76928446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:18:21,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:18:21,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:18:21,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360843896] [2024-11-08 19:18:21,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:18:21,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:18:21,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:18:21,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:18:21,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:18:21,412 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 19:18:21,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:18:21,473 INFO L93 Difference]: Finished difference Result 97 states and 141 transitions. [2024-11-08 19:18:21,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:18:21,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-08 19:18:21,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:18:21,480 INFO L225 Difference]: With dead ends: 97 [2024-11-08 19:18:21,480 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 19:18:21,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:18:21,482 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:18:21,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:18:21,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 19:18:21,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 19:18:21,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:18:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-08 19:18:21,497 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 110 [2024-11-08 19:18:21,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:18:21,501 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-08 19:18:21,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 19:18:21,501 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-08 19:18:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:18:21,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:21,505 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:21,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:18:21,505 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:18:21,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:21,506 INFO L85 PathProgramCache]: Analyzing trace with hash 403315564, now seen corresponding path program 1 times [2024-11-08 19:18:21,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:18:21,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563999690] [2024-11-08 19:18:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:18:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:18:21,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [680655904] [2024-11-08 19:18:21,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:21,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:18:21,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:18:21,702 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:18:21,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:18:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:18:21,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:18:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:18:22,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:18:22,054 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:18:22,055 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:18:22,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:18:22,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:18:22,263 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:18:22,381 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:18:22,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:18:22 BoogieIcfgContainer [2024-11-08 19:18:22,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:18:22,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:18:22,385 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:18:22,385 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:18:22,386 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:18:20" (3/4) ... [2024-11-08 19:18:22,390 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:18:22,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:18:22,394 INFO L158 Benchmark]: Toolchain (without parser) took 3322.11ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 114.5MB in the beginning and 95.1MB in the end (delta: 19.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2024-11-08 19:18:22,394 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 153.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:18:22,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.04ms. Allocated memory is still 153.1MB. Free memory was 114.5MB in the beginning and 99.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:18:22,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.37ms. Allocated memory is still 153.1MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:18:22,399 INFO L158 Benchmark]: Boogie Preprocessor took 55.84ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:18:22,400 INFO L158 Benchmark]: RCFGBuilder took 601.08ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 79.4MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:18:22,400 INFO L158 Benchmark]: TraceAbstraction took 2264.06ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 78.9MB in the beginning and 95.1MB in the end (delta: -16.2MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2024-11-08 19:18:22,400 INFO L158 Benchmark]: Witness Printer took 6.73ms. Allocated memory is still 211.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:18:22,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 153.1MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.04ms. Allocated memory is still 153.1MB. Free memory was 114.5MB in the beginning and 99.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.37ms. Allocated memory is still 153.1MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.84ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 95.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.08ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 79.4MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2264.06ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 78.9MB in the beginning and 95.1MB in the end (delta: -16.2MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Witness Printer took 6.73ms. Allocated memory is still 211.8MB. Free memory is still 95.1MB. 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 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 107. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] float var_1_2 = 64.5; [L24] float var_1_3 = 16.8; [L25] signed long int var_1_8 = 10; [L26] unsigned char var_1_9 = 0; [L27] double var_1_10 = 25.5; [L28] double var_1_11 = 999999999.729; [L29] double var_1_12 = 999.8; [L30] signed short int var_1_13 = -25; [L31] signed short int var_1_14 = -64; [L32] signed short int var_1_15 = 0; [L33] signed short int var_1_16 = -8; [L34] signed long int var_1_17 = 5; [L35] unsigned long int var_1_18 = 0; [L36] unsigned long int var_1_19 = 8; [L37] float var_1_20 = 32.375; [L38] signed long int var_1_21 = -10; [L39] signed short int last_1_var_1_13 = -25; [L40] signed long int last_1_var_1_17 = 5; VAL [isInitial=0, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=0] [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L103] last_1_var_1_13 = var_1_13 [L104] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_2=129/2, var_1_3=84/5, var_1_8=10, var_1_9=0] [L114] RET updateLastVariables() [L115] CALL updateVariables() [L74] var_1_2 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L75] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_3=84/5, var_1_8=10, var_1_9=0] [L76] var_1_3 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L77] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=10, var_1_9=0] [L78] var_1_8 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L79] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L80] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L81] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L82] var_1_9 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2] [L84] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L84] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_11=999999999729/1000, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L86] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=4999/5, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L87] var_1_12 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L88] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-64, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L89] var_1_14 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_14 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L90] RET assume_abort_if_not(var_1_14 >= -8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_14 <= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L91] RET assume_abort_if_not(var_1_14 <= 8192) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=0, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L92] var_1_15 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_15 >= -8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L93] RET assume_abort_if_not(var_1_15 >= -8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_15 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L94] RET assume_abort_if_not(var_1_15 <= 8191) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=-8, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_16 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L96] RET assume_abort_if_not(var_1_16 >= -16383) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_16 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L97] RET assume_abort_if_not(var_1_16 <= 16383) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=8, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L98] var_1_19 = __VERIFIER_nondet_ulong() [L99] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L99] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L100] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L100] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L115] RET updateVariables() [L116] CALL step() [L44] signed long int stepLocal_2 = var_1_8 + last_1_var_1_17; VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_13=-25, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L45] COND FALSE !(\read(var_1_9)) [L52] var_1_13 = var_1_15 VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=5, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=259/8, var_1_21=-10, var_1_8=2, var_1_9=0] [L54] var_1_17 = (var_1_13 + var_1_14) [L55] var_1_18 = var_1_19 [L56] var_1_20 = var_1_12 [L57] var_1_21 = var_1_17 [L58] signed long int stepLocal_1 = var_1_17; VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_1=1, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L59] COND FALSE !(stepLocal_1 != var_1_21) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L62] unsigned long int stepLocal_0 = var_1_18 + var_1_21; VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_0=1, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L63] COND TRUE (var_1_2 - var_1_3) >= var_1_10 VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_0=1, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=32, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L64] COND TRUE stepLocal_0 >= (var_1_13 / var_1_8) [L65] var_1_1 = ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, stepLocal_2=7, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L116] RET step() [L117] CALL, EXPR property() [L107-L108] return ((((((((var_1_2 - var_1_3) >= var_1_10) ? (((var_1_18 + var_1_21) >= (var_1_13 / var_1_8)) ? (var_1_1 == ((signed long int) ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))))) : 1) : (var_1_9 ? (var_1_1 == ((signed long int) ((((var_1_21) > (var_1_18)) ? (var_1_21) : (var_1_18))))) : 1)) && ((var_1_17 != var_1_21) ? (var_1_10 == ((double) (var_1_11 - var_1_12))) : 1)) && (var_1_9 ? ((last_1_var_1_13 <= (var_1_8 + last_1_var_1_17)) ? (var_1_13 == ((signed short int) ((var_1_14 + var_1_15) + var_1_16))) : (var_1_13 == ((signed short int) var_1_15))) : (var_1_13 == ((signed short int) var_1_15)))) && (var_1_17 == ((signed long int) (var_1_13 + var_1_14)))) && (var_1_18 == ((unsigned long int) var_1_19))) && (var_1_20 == ((float) var_1_12))) && (var_1_21 == ((signed long int) var_1_17)) ; VAL [\result=0, isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=-25, last_1_var_1_17=5, var_1_10=51/2, var_1_12=2, var_1_13=3, var_1_14=-2, var_1_15=3, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=1, var_1_20=2, var_1_21=1, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 142 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 440 NumberOfCodeBlocks, 440 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1088/1088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:18:22,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a066ceb57ae616cacea03e0962ddb0f72c30615de7f169bd50844b1bbd2737e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:18:24,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:18:25,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:18:25,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:18:25,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:18:25,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:18:25,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:18:25,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:18:25,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:18:25,087 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:18:25,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:18:25,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:18:25,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:18:25,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:18:25,090 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:18:25,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:18:25,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:18:25,091 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:18:25,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:18:25,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:18:25,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:18:25,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:18:25,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:18:25,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:18:25,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:18:25,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:18:25,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:18:25,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:18:25,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:18:25,096 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:18:25,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:18:25,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:18:25,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:18:25,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:18:25,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:18:25,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:18:25,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:18:25,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:18:25,099 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:18:25,099 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:18:25,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:18:25,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:18:25,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:18:25,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:18:25,101 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_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a066ceb57ae616cacea03e0962ddb0f72c30615de7f169bd50844b1bbd2737e4 [2024-11-08 19:18:25,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:18:25,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:18:25,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:18:25,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:18:25,533 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:18:25,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i Unable to find full path for "g++" [2024-11-08 19:18:27,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:18:27,827 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:18:27,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i [2024-11-08 19:18:27,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data/c73cbd4b5/b08051dc52eb493f9e2b525e33a3ae29/FLAGe29917c7a [2024-11-08 19:18:27,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/data/c73cbd4b5/b08051dc52eb493f9e2b525e33a3ae29 [2024-11-08 19:18:27,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:18:27,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:18:27,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:18:27,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:18:27,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:18:27,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:18:27" (1/1) ... [2024-11-08 19:18:27,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71208fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:27, skipping insertion in model container [2024-11-08 19:18:27,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:18:27" (1/1) ... [2024-11-08 19:18:27,904 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:18:28,117 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i[917,930] [2024-11-08 19:18:28,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:18:28,252 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:18:28,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-68.i[917,930] [2024-11-08 19:18:28,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:18:28,362 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:18:28,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28 WrapperNode [2024-11-08 19:18:28,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:18:28,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:18:28,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:18:28,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:18:28,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,433 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-08 19:18:28,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:18:28,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:18:28,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:18:28,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:18:28,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,480 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:18:28,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,480 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:18:28,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:18:28,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:18:28,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:18:28,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (1/1) ... [2024-11-08 19:18:28,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:18:28,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:18:28,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:18:28,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:18:28,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:18:28,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:18:28,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:18:28,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:18:28,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:18:28,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:18:28,683 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:18:28,689 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:18:31,454 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 19:18:31,454 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:18:31,477 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:18:31,481 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:18:31,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:18:31 BoogieIcfgContainer [2024-11-08 19:18:31,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:18:31,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:18:31,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:18:31,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:18:31,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:18:27" (1/3) ... [2024-11-08 19:18:31,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9d0ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:18:31, skipping insertion in model container [2024-11-08 19:18:31,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:18:28" (2/3) ... [2024-11-08 19:18:31,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9d0ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:18:31, skipping insertion in model container [2024-11-08 19:18:31,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:18:31" (3/3) ... [2024-11-08 19:18:31,515 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-68.i [2024-11-08 19:18:31,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:18:31,534 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:18:31,606 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:18:31,614 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33a75950, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:18:31,615 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:18:31,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:18:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:18:31,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:31,637 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:31,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:18:31,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:31,644 INFO L85 PathProgramCache]: Analyzing trace with hash -392537172, now seen corresponding path program 1 times [2024-11-08 19:18:31,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:18:31,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794554040] [2024-11-08 19:18:31,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:31,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:18:31,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:18:31,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:18:31,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:18:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:32,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:18:32,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:18:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-11-08 19:18:32,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:18:32,124 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:18:32,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794554040] [2024-11-08 19:18:32,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794554040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:18:32,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:18:32,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:18:32,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145360372] [2024-11-08 19:18:32,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:18:32,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:18:32,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:18:32,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:18:32,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:18:32,161 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 35 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 19:18:32,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:18:32,197 INFO L93 Difference]: Finished difference Result 101 states and 169 transitions. [2024-11-08 19:18:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:18:32,199 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 110 [2024-11-08 19:18:32,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:18:32,210 INFO L225 Difference]: With dead ends: 101 [2024-11-08 19:18:32,210 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 19:18:32,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:18:32,219 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:18:32,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:18:32,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 19:18:32,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 19:18:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 31 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:18:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-08 19:18:32,291 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 110 [2024-11-08 19:18:32,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:18:32,292 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-08 19:18:32,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 19:18:32,293 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-08 19:18:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:18:32,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:32,298 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:32,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:18:32,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:18:32,500 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:18:32,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:32,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1212662190, now seen corresponding path program 1 times [2024-11-08 19:18:32,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:18:32,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120839391] [2024-11-08 19:18:32,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:32,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:18:32,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:18:32,509 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:18:32,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:18:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:32,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:18:32,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:18:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 19:18:32,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:18:32,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:18:33,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [120839391] [2024-11-08 19:18:33,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [120839391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:18:33,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:18:33,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:18:33,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073208889] [2024-11-08 19:18:33,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:18:33,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:18:33,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:18:33,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:18:33,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:18:33,007 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 19:18:35,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:18:35,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:18:35,086 INFO L93 Difference]: Finished difference Result 97 states and 141 transitions. [2024-11-08 19:18:35,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:18:35,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-08 19:18:35,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:18:35,111 INFO L225 Difference]: With dead ends: 97 [2024-11-08 19:18:35,112 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 19:18:35,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:18:35,114 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:18:35,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 19:18:35,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 19:18:35,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 19:18:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 19:18:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2024-11-08 19:18:35,125 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 110 [2024-11-08 19:18:35,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:18:35,127 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2024-11-08 19:18:35,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 19:18:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2024-11-08 19:18:35,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 19:18:35,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:18:35,130 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:18:35,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 19:18:35,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:18:35,331 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:18:35,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:18:35,332 INFO L85 PathProgramCache]: Analyzing trace with hash 403315564, now seen corresponding path program 1 times [2024-11-08 19:18:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:18:35,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16357045] [2024-11-08 19:18:35,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:18:35,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:18:35,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:18:35,337 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:18:35,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68e19c98-bd97-4464-b856-4f8dc3bcc19d/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:18:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:18:35,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:18:35,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:24:28,591 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:33:25,788 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)