./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.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_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:11,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:11,522 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:01:11,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:11,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:11,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:11,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:11,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:11,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:11,560 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:11,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:11,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:11,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:11,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:11,563 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:11,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:11,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:11,565 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:11,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:11,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:11,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:11,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:11,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:11,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:11,568 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:11,569 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:11,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:11,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:11,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:11,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:11,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:11,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:11,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:11,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:11,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:11,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:11,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:11,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:11,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:11,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:11,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:11,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:11,578 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_5ba436af-ef26-4f3d-937a-cfc75f12f075/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2024-10-31 22:01:11,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:11,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:11,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:11,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:11,944 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:11,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i Unable to find full path for "g++" [2024-10-31 22:01:14,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:14,426 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:14,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2024-10-31 22:01:14,444 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data/221657bfd/d342a59fb4334d5099679929054c1620/FLAG63d140306 [2024-10-31 22:01:14,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data/221657bfd/d342a59fb4334d5099679929054c1620 [2024-10-31 22:01:14,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:14,775 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:14,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:14,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:14,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:14,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:14" (1/1) ... [2024-10-31 22:01:14,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5042c187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:14, skipping insertion in model container [2024-10-31 22:01:14,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:14" (1/1) ... [2024-10-31 22:01:14,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:15,017 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_5ba436af-ef26-4f3d-937a-cfc75f12f075/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-10-31 22:01:15,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:15,080 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:15,093 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_5ba436af-ef26-4f3d-937a-cfc75f12f075/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-10-31 22:01:15,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:15,140 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:15,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15 WrapperNode [2024-10-31 22:01:15,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:15,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:15,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:15,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:15,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,193 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-10-31 22:01:15,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:15,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:15,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:15,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:15,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,219 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,237 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 22:01:15,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:15,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:15,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:15,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:15,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (1/1) ... [2024-10-31 22:01:15,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:15,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:15,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:15,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:15,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:01:15,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:01:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:01:15,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:15,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:15,531 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:15,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:15,906 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:15,907 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:15,928 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:15,929 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:01:15,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:15 BoogieIcfgContainer [2024-10-31 22:01:15,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:15,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:15,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:15,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:15,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:14" (1/3) ... [2024-10-31 22:01:15,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3fd295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:15, skipping insertion in model container [2024-10-31 22:01:15,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:15" (2/3) ... [2024-10-31 22:01:15,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3fd295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:15, skipping insertion in model container [2024-10-31 22:01:15,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:15" (3/3) ... [2024-10-31 22:01:15,939 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2024-10-31 22:01:15,956 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:15,956 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:01:16,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:16,041 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;@643519de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:16,041 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:01:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:01:16,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-31 22:01:16,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:16,063 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:16,064 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:16,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2024-10-31 22:01:16,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:16,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588046077] [2024-10-31 22:01:16,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:16,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:01:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:01:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:01:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:01:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:01:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:01:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:01:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 22:01:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:01:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-31 22:01:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-31 22:01:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-31 22:01:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-31 22:01:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-31 22:01:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:01:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:01:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-31 22:01:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-31 22:01:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:01:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-31 22:01:16,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588046077] [2024-10-31 22:01:16,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588046077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:16,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:16,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:16,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581914007] [2024-10-31 22:01:16,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:16,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:01:16,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:01:16,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:16,704 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:01:16,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:16,746 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2024-10-31 22:01:16,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:01:16,751 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-10-31 22:01:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:16,758 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:01:16,759 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:01:16,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 22:01:16,766 INFO L432 NwaCegarLoop]: 75 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, 75 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 22:01:16,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:16,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:01:16,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:01:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:01:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-10-31 22:01:16,822 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2024-10-31 22:01:16,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:16,823 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-10-31 22:01:16,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:01:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-10-31 22:01:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-31 22:01:16,827 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:16,827 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:16,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:01:16,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:16,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:16,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2024-10-31 22:01:16,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:16,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644377736] [2024-10-31 22:01:16,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:16,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:01:17,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75044523] [2024-10-31 22:01:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:17,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:17,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:17,196 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:17,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:01:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:17,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:17,733 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:17,734 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:01:17,736 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:01:17,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:01:17,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-31 22:01:17,943 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:01:18,061 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:01:18,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:01:18 BoogieIcfgContainer [2024-10-31 22:01:18,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:01:18,070 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:01:18,070 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:01:18,071 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:01:18,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:15" (3/4) ... [2024-10-31 22:01:18,076 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:01:18,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:01:18,082 INFO L158 Benchmark]: Toolchain (without parser) took 3303.50ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 96.1MB in the beginning and 116.1MB in the end (delta: -19.9MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-10-31 22:01:18,083 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:18,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.95ms. Allocated memory is still 138.4MB. Free memory was 95.8MB in the beginning and 81.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:01:18,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.09ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 79.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:01:18,085 INFO L158 Benchmark]: Boogie Preprocessor took 69.01ms. Allocated memory is still 138.4MB. Free memory was 79.4MB in the beginning and 77.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:01:18,085 INFO L158 Benchmark]: RCFGBuilder took 661.26ms. Allocated memory is still 138.4MB. Free memory was 76.7MB in the beginning and 99.4MB in the end (delta: -22.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-10-31 22:01:18,086 INFO L158 Benchmark]: TraceAbstraction took 2136.86ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 98.7MB in the beginning and 116.1MB in the end (delta: -17.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-10-31 22:01:18,087 INFO L158 Benchmark]: Witness Printer took 8.00ms. Allocated memory is still 174.1MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:18,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.95ms. Allocated memory is still 138.4MB. Free memory was 95.8MB in the beginning and 81.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.09ms. Allocated memory is still 138.4MB. Free memory was 81.7MB in the beginning and 79.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.01ms. Allocated memory is still 138.4MB. Free memory was 79.4MB in the beginning and 77.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.26ms. Allocated memory is still 138.4MB. Free memory was 76.7MB in the beginning and 99.4MB in the end (delta: -22.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2136.86ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 98.7MB in the beginning and 116.1MB in the end (delta: -17.4MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Witness Printer took 8.00ms. Allocated memory is still 174.1MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.5; [L23] unsigned char var_1_2 = 16; [L24] float var_1_4 = 2000000000.6; [L25] float var_1_5 = 500.5; [L26] float var_1_6 = 999999999.5; [L27] unsigned char var_1_7 = 1; [L28] float var_1_8 = 127.25; [L29] float var_1_9 = 4.8; [L30] float var_1_10 = 0.4; [L31] signed long int var_1_11 = 0; [L32] signed long int var_1_12 = 256; [L33] signed long int var_1_13 = 25; [L34] signed long int var_1_14 = -5; [L35] signed short int var_1_15 = 2; [L36] signed long int var_1_16 = -50; VAL [isInitial=0, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=16, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L67] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_4=10000000003/5, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L68] var_1_4 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L69] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_5=1001/2, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L70] var_1_5 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L71] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_6=1999999999/2, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L72] var_1_6 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L73] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=1, var_1_8=509/4, var_1_9=24/5] [L74] var_1_7 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_8=509/4, var_1_9=24/5] [L75] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_8=509/4, var_1_9=24/5] [L76] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511, var_1_8=509/4, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511, var_1_8=509/4, var_1_9=24/5] [L76] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511, var_1_8=509/4, var_1_9=24/5] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511, var_1_9=24/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511, var_1_9=24/5] [L78] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511, var_1_9=24/5] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L80] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L82] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=0, var_1_12=256, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L83] var_1_12 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L84] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L85] CALL assume_abort_if_not(var_1_12 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L85] RET assume_abort_if_not(var_1_12 <= 2147483646) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=25, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L86] var_1_13 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L88] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L88] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=2, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L89] var_1_15 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_15 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L90] RET assume_abort_if_not(var_1_15 >= -32768) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L91] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L91] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L92] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L92] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=-50, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L93] var_1_16 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_16 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L94] RET assume_abort_if_not(var_1_16 >= -1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L95] CALL assume_abort_if_not(var_1_16 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L95] RET assume_abort_if_not(var_1_16 <= 1073741823) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L108] RET updateVariables() [L109] CALL step() [L40] signed long int stepLocal_0 = (((8) < 0 ) ? -(8) : (8)); VAL [isInitial=1, stepLocal_0=8, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_1=511/2, var_1_2=-255, var_1_7=-511] [L41] COND TRUE (((((200) < (128)) ? (200) : (128))) - var_1_2) > stepLocal_0 [L42] var_1_1 = (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6) VAL [isInitial=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_2=-255, var_1_7=-511] [L48] COND TRUE (var_1_5 + var_1_6) == var_1_1 [L49] var_1_11 = (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13) VAL [isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_2=-255, var_1_7=-511] [L53] signed long int stepLocal_1 = var_1_12 % var_1_15; VAL [isInitial=1, stepLocal_1=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=-5, var_1_15=1, var_1_16=1, var_1_2=-255, var_1_7=-511] [L54] COND TRUE var_1_9 == var_1_4 [L55] var_1_14 = var_1_13 VAL [isInitial=1, stepLocal_1=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_2=-255, var_1_7=-511] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return ((((((((200) < (128)) ? (200) : (128))) - var_1_2) > ((((8) < 0 ) ? -(8) : (8)))) ? (var_1_1 == ((float) (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))) - var_1_6))) : (var_1_7 ? (var_1_1 == ((float) (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) + var_1_10))) : 1)) && (((var_1_5 + var_1_6) == var_1_1) ? (var_1_11 == ((signed long int) (((((var_1_2) < (var_1_12)) ? (var_1_2) : (var_1_12))) - var_1_13))) : (var_1_11 == ((signed long int) var_1_13)))) && ((var_1_9 == var_1_4) ? (var_1_14 == ((signed long int) var_1_13)) : (((var_1_12 % var_1_15) != var_1_13) ? (var_1_14 == ((signed long int) ((((((var_1_15 + var_1_2) + var_1_16)) > (var_1_13)) ? (((var_1_15 + var_1_2) + var_1_16)) : (var_1_13))))) : (var_1_14 == ((signed long int) var_1_16)))) ; VAL [\result=0, isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_2=-255, var_1_7=-511] [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_2=-255, var_1_7=-511] [L19] reach_error() VAL [isInitial=1, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_2=-255, var_1_7=-511] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 22:01:18,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:21,305 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:21,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:01:21,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:21,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:21,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:21,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:21,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:21,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:21,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:21,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:21,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:21,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:21,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:21,508 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:21,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:21,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:21,512 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:21,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:21,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:21,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:21,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:21,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:21,518 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:01:21,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:01:21,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:21,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:01:21,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:21,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:21,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:21,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:21,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:21,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:21,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:21,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:21,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:21,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:21,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:21,527 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:01:21,527 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:01:21,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:21,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:21,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:21,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:21,532 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:01:21,532 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_5ba436af-ef26-4f3d-937a-cfc75f12f075/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d503c282d85243d142373f18b0a752b2216884ab0cd5bf171a1a20688d28f7ae [2024-10-31 22:01:21,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:22,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:22,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:22,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:22,018 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:22,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i Unable to find full path for "g++" [2024-10-31 22:01:24,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:24,376 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:24,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i [2024-10-31 22:01:24,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data/3dcfb3f6f/20d50e398e76466dbf6e077b14881ce9/FLAG58d662cf3 [2024-10-31 22:01:24,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/data/3dcfb3f6f/20d50e398e76466dbf6e077b14881ce9 [2024-10-31 22:01:24,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:24,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:24,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:24,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:24,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:24,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:24" (1/1) ... [2024-10-31 22:01:24,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4587de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:24, skipping insertion in model container [2024-10-31 22:01:24,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:24" (1/1) ... [2024-10-31 22:01:24,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:24,942 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_5ba436af-ef26-4f3d-937a-cfc75f12f075/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-10-31 22:01:25,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:25,029 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:25,046 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_5ba436af-ef26-4f3d-937a-cfc75f12f075/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-99.i[917,930] [2024-10-31 22:01:25,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:25,132 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:25,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25 WrapperNode [2024-10-31 22:01:25,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:25,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:25,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:25,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:25,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,185 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-10-31 22:01:25,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:25,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:25,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:25,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:25,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,207 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,228 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 22:01:25,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:25,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:25,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:25,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:25,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (1/1) ... [2024-10-31 22:01:25,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:25,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:25,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:25,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:01:25,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:01:25,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:01:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:25,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:25,509 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:25,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:26,958 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:26,958 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:26,980 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:26,980 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:01:26,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:26 BoogieIcfgContainer [2024-10-31 22:01:26,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:26,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:26,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:26,986 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:26,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:24" (1/3) ... [2024-10-31 22:01:26,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718227b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:26, skipping insertion in model container [2024-10-31 22:01:26,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:25" (2/3) ... [2024-10-31 22:01:26,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718227b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:26, skipping insertion in model container [2024-10-31 22:01:26,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:26" (3/3) ... [2024-10-31 22:01:26,990 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-99.i [2024-10-31 22:01:27,011 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:27,011 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:01:27,085 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:27,093 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;@2e0dcfc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:27,094 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:01:27,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:01:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-31 22:01:27,114 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:27,115 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:27,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:27,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:27,123 INFO L85 PathProgramCache]: Analyzing trace with hash 195872303, now seen corresponding path program 1 times [2024-10-31 22:01:27,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:01:27,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556578922] [2024-10-31 22:01:27,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:27,148 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 22:01:27,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:01:27,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 22:01:27,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 22:01:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:27,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:01:27,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-10-31 22:01:27,775 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:01:27,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:01:27,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556578922] [2024-10-31 22:01:27,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556578922] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:27,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:27,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:27,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301665884] [2024-10-31 22:01:27,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:27,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:01:27,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:01:27,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:01:27,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:27,832 INFO L87 Difference]: Start difference. First operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:01:27,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:27,884 INFO L93 Difference]: Finished difference Result 105 states and 177 transitions. [2024-10-31 22:01:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:01:27,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-10-31 22:01:27,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:27,900 INFO L225 Difference]: With dead ends: 105 [2024-10-31 22:01:27,900 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:01:27,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 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 22:01:27,914 INFO L432 NwaCegarLoop]: 75 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, 75 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 22:01:27,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:27,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:01:27,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-10-31 22:01:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-31 22:01:27,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-10-31 22:01:27,984 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 120 [2024-10-31 22:01:27,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:27,986 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-10-31 22:01:27,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-31 22:01:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-10-31 22:01:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-31 22:01:27,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:27,994 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:01:28,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 22:01:28,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 22:01:28,199 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:01:28,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:28,201 INFO L85 PathProgramCache]: Analyzing trace with hash -2017633295, now seen corresponding path program 1 times [2024-10-31 22:01:28,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:01:28,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988712434] [2024-10-31 22:01:28,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:28,202 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 22:01:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:01:28,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 22:01:28,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba436af-ef26-4f3d-937a-cfc75f12f075/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 22:01:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:28,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:01:28,776 INFO L278 TraceCheckSpWp]: Computing forward predicates...