./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:37,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:37,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:14:37,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:37,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:37,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:37,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:37,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:37,864 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:37,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:37,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:37,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:37,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:37,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:37,867 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:37,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:37,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:37,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:14:37,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:37,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:14:37,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:37,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:37,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:37,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:37,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:37,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:14:37,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:37,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:37,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:37,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:37,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:37,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:37,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:37,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:37,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:37,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:37,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:37,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:37,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:37,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:37,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:37,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:37,879 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_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a [2024-10-31 22:14:38,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:38,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:38,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:38,273 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:38,274 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:38,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i Unable to find full path for "g++" [2024-10-31 22:14:40,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:40,700 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:40,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-31 22:14:40,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data/f174fffd8/d51be500454b433d859f3be4c05020b9/FLAGcc933b1c2 [2024-10-31 22:14:40,730 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data/f174fffd8/d51be500454b433d859f3be4c05020b9 [2024-10-31 22:14:40,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:40,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:40,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:40,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:40,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:40,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:40" (1/1) ... [2024-10-31 22:14:40,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fede83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:40, skipping insertion in model container [2024-10-31 22:14:40,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:40" (1/1) ... [2024-10-31 22:14:40,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:41,088 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-31 22:14:41,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:41,154 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:41,172 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-31 22:14:41,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:41,239 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:41,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41 WrapperNode [2024-10-31 22:14:41,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:41,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:41,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:41,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:41,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,326 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-10-31 22:14:41,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:41,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:41,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:41,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:41,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,360 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,393 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:14:41,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,413 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:41,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:41,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:41,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:41,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (1/1) ... [2024-10-31 22:14:41,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:41,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:41,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:41,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:41,545 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:14:41,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:41,646 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:41,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:42,026 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:42,027 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:42,039 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:42,039 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:14:42,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:42 BoogieIcfgContainer [2024-10-31 22:14:42,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:42,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:42,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:42,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:42,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:40" (1/3) ... [2024-10-31 22:14:42,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad1473c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:42, skipping insertion in model container [2024-10-31 22:14:42,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:41" (2/3) ... [2024-10-31 22:14:42,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad1473c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:42, skipping insertion in model container [2024-10-31 22:14:42,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:42" (3/3) ... [2024-10-31 22:14:42,051 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-31 22:14:42,078 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:42,078 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:42,153 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:42,161 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;@b70a03e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:42,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:14:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-31 22:14:42,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:42,176 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:42,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:42,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:42,181 INFO L85 PathProgramCache]: Analyzing trace with hash 277193381, now seen corresponding path program 1 times [2024-10-31 22:14:42,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:42,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837482742] [2024-10-31 22:14:42,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:14:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:14:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:14:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:14:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:14:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:14:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:14:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:14:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:14:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:14:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:14:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:14:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-31 22:14:42,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:42,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837482742] [2024-10-31 22:14:42,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837482742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:42,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:42,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:42,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208819460] [2024-10-31 22:14:42,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:42,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:14:42,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:42,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:14:42,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:42,689 INFO L87 Difference]: Start difference. First operand has 51 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:14:42,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:42,716 INFO L93 Difference]: Finished difference Result 95 states and 152 transitions. [2024-10-31 22:14:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:14:42,718 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2024-10-31 22:14:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:42,726 INFO L225 Difference]: With dead ends: 95 [2024-10-31 22:14:42,726 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 22:14:42,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:42,735 INFO L432 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:42,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:14:42,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 22:14:42,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-31 22:14:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:14:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 66 transitions. [2024-10-31 22:14:42,793 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 66 transitions. Word has length 83 [2024-10-31 22:14:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:42,795 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 66 transitions. [2024-10-31 22:14:42,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:14:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-10-31 22:14:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-31 22:14:42,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:42,801 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:42,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:14:42,802 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:42,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash 372638945, now seen corresponding path program 1 times [2024-10-31 22:14:42,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:42,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154330341] [2024-10-31 22:14:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:42,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:14:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:14:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:14:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:14:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:14:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:14:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:14:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:14:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:14:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:14:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 22:14:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:14:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:43,553 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-31 22:14:43,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:14:43,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154330341] [2024-10-31 22:14:43,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154330341] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:43,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:43,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:14:43,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051156326] [2024-10-31 22:14:43,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:43,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:14:43,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:14:43,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:14:43,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:14:43,562 INFO L87 Difference]: Start difference. First operand 47 states and 66 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-31 22:14:43,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:43,755 INFO L93 Difference]: Finished difference Result 92 states and 130 transitions. [2024-10-31 22:14:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:14:43,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2024-10-31 22:14:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:43,761 INFO L225 Difference]: With dead ends: 92 [2024-10-31 22:14:43,762 INFO L226 Difference]: Without dead ends: 48 [2024-10-31 22:14:43,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:14:43,764 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 20 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:43,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 131 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:14:43,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-10-31 22:14:43,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2024-10-31 22:14:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:14:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 65 transitions. [2024-10-31 22:14:43,774 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 65 transitions. Word has length 83 [2024-10-31 22:14:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:43,776 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 65 transitions. [2024-10-31 22:14:43,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-31 22:14:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-10-31 22:14:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-31 22:14:43,779 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:43,779 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:43,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:14:43,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:43,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:43,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1075284092, now seen corresponding path program 1 times [2024-10-31 22:14:43,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:14:43,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331595445] [2024-10-31 22:14:43,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:43,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:14:43,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930175236] [2024-10-31 22:14:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:43,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:43,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:43,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:14:43,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:14:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:44,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:44,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:44,285 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:14:44,286 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:14:44,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:14:44,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:44,492 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 22:14:44,599 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:14:44,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:14:44 BoogieIcfgContainer [2024-10-31 22:14:44,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:14:44,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:14:44,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:14:44,607 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:14:44,608 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:42" (3/4) ... [2024-10-31 22:14:44,611 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:14:44,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:14:44,617 INFO L158 Benchmark]: Toolchain (without parser) took 3879.00ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 112.6MB in the beginning and 118.2MB in the end (delta: -5.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2024-10-31 22:14:44,617 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 111.9MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:14:44,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.07ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 106.1MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:14:44,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.03ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 103.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:14:44,619 INFO L158 Benchmark]: Boogie Preprocessor took 110.43ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:14:44,619 INFO L158 Benchmark]: RCFGBuilder took 599.09ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 83.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:14:44,620 INFO L158 Benchmark]: TraceAbstraction took 2563.69ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 83.1MB in the beginning and 118.2MB in the end (delta: -35.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-10-31 22:14:44,624 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 197.1MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:14:44,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 111.9MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.07ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 106.1MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.03ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 103.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.43ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 599.09ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 83.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2563.69ms. Allocated memory was 142.6MB in the beginning and 197.1MB in the end (delta: 54.5MB). Free memory was 83.1MB in the beginning and 118.2MB in the end (delta: -35.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 197.1MB. Free memory is still 118.2MB. 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 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed short int var_1_4 = -64; [L24] signed short int var_1_5 = 256; [L25] unsigned short int var_1_6 = 128; [L26] unsigned short int var_1_7 = 256; [L27] signed long int var_1_8 = 50; [L28] unsigned char var_1_9 = 0; [L29] signed long int var_1_10 = -4; [L30] float var_1_11 = 15.125; [L31] float var_1_12 = 0.9; [L32] double var_1_13 = 25.875; [L33] unsigned short int var_1_14 = 50; [L34] signed short int last_1_var_1_1 = 2; [L35] unsigned short int last_1_var_1_6 = 128; [L36] signed long int last_1_var_1_8 = 50; VAL [isInitial=0, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-64, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L89] last_1_var_1_1 = var_1_1 [L90] last_1_var_1_6 = var_1_6 [L91] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-64, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L101] RET updateLastVariables() [L102] CALL updateVariables() [L69] var_1_4 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_4 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L70] RET assume_abort_if_not(var_1_4 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L71] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=256, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L72] var_1_5 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L73] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L74] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=256, var_1_8=50, var_1_9=0] [L75] var_1_7 = __VERIFIER_nondet_ushort() [L76] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L76] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_8=50, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=0] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=-4, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L81] var_1_10 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L82] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L83] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L84] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_12=9/10, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L85] var_1_12 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && 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_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L86] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && 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_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=2, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L102] RET updateVariables() [L103] CALL step() [L40] COND TRUE ! (last_1_var_1_6 <= last_1_var_1_1) [L41] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L43] signed long int stepLocal_0 = 1 * var_1_4; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, var_1_10=1, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L44] EXPR var_1_1 >> var_1_5 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_0=-1, var_1_10=1, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=128, var_1_7=-32769, var_1_8=50, var_1_9=1] [L44] COND TRUE (var_1_1 >> var_1_5) > stepLocal_0 [L45] var_1_6 = (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=121/8, var_1_13=207/8, var_1_14=50, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L49] var_1_11 = var_1_12 [L50] var_1_13 = var_1_12 [L51] var_1_14 = var_1_7 [L52] signed long int stepLocal_2 = var_1_4 / var_1_10; [L53] unsigned short int stepLocal_1 = var_1_7; VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_1=-32769, stepLocal_2=-1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L54] COND TRUE \read(var_1_9) [L55] var_1_8 = ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, stepLocal_1=-32769, stepLocal_2=-1, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L94] EXPR var_1_1 >> var_1_5 VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L94] EXPR ((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7))) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L94-L95] return ((((((! (last_1_var_1_6 <= last_1_var_1_1)) ? (var_1_1 == ((signed short int) (var_1_4 + var_1_5))) : 1) && (((var_1_1 >> var_1_5) > (1 * var_1_4)) ? (var_1_6 == ((unsigned short int) (((((42286 - var_1_7)) > (0)) ? ((42286 - var_1_7)) : (0))))) : (var_1_6 == ((unsigned short int) var_1_7)))) && (var_1_9 ? (var_1_8 == ((signed long int) ((((var_1_6) < (last_1_var_1_8)) ? (var_1_6) : (last_1_var_1_8))))) : ((var_1_14 > (var_1_4 / var_1_10)) ? ((var_1_7 > var_1_6) ? (var_1_8 == ((signed long int) ((((var_1_4) < (100)) ? (var_1_4) : (100))))) : (var_1_8 == ((signed long int) (last_1_var_1_8 - var_1_7)))) : (var_1_8 == ((signed long int) (var_1_6 + var_1_5)))))) && (var_1_11 == ((float) var_1_12))) && (var_1_13 == ((double) var_1_12))) && (var_1_14 == ((unsigned short int) var_1_7)) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2, last_1_var_1_6=128, last_1_var_1_8=50, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=2, var_1_14=-32769, var_1_1=0, var_1_4=-1, var_1_5=1, var_1_6=9519, var_1_7=-32769, var_1_8=50, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 197 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 117 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 528/528 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:14:44,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:47,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:47,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:14:47,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:47,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:47,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:47,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:47,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:47,205 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:47,206 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:47,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:47,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:47,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:47,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:47,209 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:47,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:47,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:47,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:14:47,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:14:47,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:47,212 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:47,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:47,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:47,213 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:14:47,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:14:47,214 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:47,214 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:14:47,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:14:47,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:47,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:47,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:47,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:47,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:47,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:47,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:47,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:47,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:47,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:47,220 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:14:47,220 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:14:47,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:47,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:47,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:47,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:47,222 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:14:47,223 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_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f345c9368439d50a8cf63608ba7de35a292fc0f8aa5f6f836e3b6ffd1ec671a [2024-10-31 22:14:47,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:47,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:47,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:47,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:47,711 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:47,713 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i Unable to find full path for "g++" [2024-10-31 22:14:49,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:50,236 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:50,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-31 22:14:50,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data/9efdd5a32/4d99930af78c45d5b1e09b89fb491d27/FLAG315611245 [2024-10-31 22:14:50,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/data/9efdd5a32/4d99930af78c45d5b1e09b89fb491d27 [2024-10-31 22:14:50,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:50,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:50,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:50,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:50,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:50,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:50" (1/1) ... [2024-10-31 22:14:50,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294d9db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:50, skipping insertion in model container [2024-10-31 22:14:50,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:50" (1/1) ... [2024-10-31 22:14:50,616 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:50,925 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-31 22:14:51,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:51,045 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:51,065 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-67.i[917,930] [2024-10-31 22:14:51,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:51,153 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:51,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51 WrapperNode [2024-10-31 22:14:51,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:51,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:51,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:51,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:51,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,238 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-10-31 22:14:51,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:51,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:51,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:51,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:51,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,289 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:14:51,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:51,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:51,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:51,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:51,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (1/1) ... [2024-10-31 22:14:51,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:51,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:51,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:51,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:14:51,519 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:51,519 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:51,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:51,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:51,661 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:51,664 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:52,386 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:52,386 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:52,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:52,401 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:14:52,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:52 BoogieIcfgContainer [2024-10-31 22:14:52,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:52,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:52,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:52,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:52,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:50" (1/3) ... [2024-10-31 22:14:52,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a039e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:52, skipping insertion in model container [2024-10-31 22:14:52,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:51" (2/3) ... [2024-10-31 22:14:52,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a039e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:52, skipping insertion in model container [2024-10-31 22:14:52,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:52" (3/3) ... [2024-10-31 22:14:52,415 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-67.i [2024-10-31 22:14:52,434 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:52,434 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:52,521 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:52,528 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;@3458336b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:52,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:14:52,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-31 22:14:52,546 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:52,547 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:52,548 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:52,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:52,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2110773757, now seen corresponding path program 1 times [2024-10-31 22:14:52,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:14:52,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705047466] [2024-10-31 22:14:52,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:52,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:14:52,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:14:52,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:14:52,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:14:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:52,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:14:52,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-10-31 22:14:52,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:14:52,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:14:52,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705047466] [2024-10-31 22:14:52,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705047466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:52,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:52,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:52,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191842831] [2024-10-31 22:14:52,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:52,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:14:52,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:14:52,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:14:52,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:52,993 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 30 states have internal predecessors, (39), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:14:53,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:53,029 INFO L93 Difference]: Finished difference Result 81 states and 132 transitions. [2024-10-31 22:14:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:14:53,031 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 80 [2024-10-31 22:14:53,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:53,039 INFO L225 Difference]: With dead ends: 81 [2024-10-31 22:14:53,039 INFO L226 Difference]: Without dead ends: 40 [2024-10-31 22:14:53,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:53,048 INFO L432 NwaCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:53,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:14:53,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-10-31 22:14:53,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-10-31 22:14:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-31 22:14:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2024-10-31 22:14:53,134 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 80 [2024-10-31 22:14:53,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:53,134 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2024-10-31 22:14:53,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-10-31 22:14:53,135 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2024-10-31 22:14:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-31 22:14:53,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:53,140 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:53,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:14:53,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:14:53,341 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:53,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:53,342 INFO L85 PathProgramCache]: Analyzing trace with hash -245825215, now seen corresponding path program 1 times [2024-10-31 22:14:53,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:14:53,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745038935] [2024-10-31 22:14:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:53,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:14:53,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:14:53,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:14:53,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b86564b-c79f-4b46-9732-26cbc7fdec47/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:14:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:53,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-31 22:14:53,655 INFO L278 TraceCheckSpWp]: Computing forward predicates...