./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b7655166bbb063cb0d79efc7c92a46a87667bfeb3cee7f7b538fb162cb5eed2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:15:59,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:15:59,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:15:59,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:15:59,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:15:59,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:15:59,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:15:59,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:15:59,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:15:59,336 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:15:59,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:15:59,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:15:59,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:15:59,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:15:59,340 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:15:59,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:15:59,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:15:59,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:15:59,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:15:59,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:15:59,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:15:59,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:15:59,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:15:59,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:15:59,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:15:59,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:15:59,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:15:59,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:15:59,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:15:59,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:15:59,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:15:59,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:15:59,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:15:59,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:15:59,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:15:59,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:15:59,352 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:15:59,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:15:59,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:15:59,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:15:59,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:15:59,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:15:59,353 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_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b7655166bbb063cb0d79efc7c92a46a87667bfeb3cee7f7b538fb162cb5eed2 [2024-11-08 19:15:59,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:15:59,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:15:59,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:15:59,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:15:59,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:15:59,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i Unable to find full path for "g++" [2024-11-08 19:16:01,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:16:01,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:16:01,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i [2024-11-08 19:16:01,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data/eaed6f7fc/11c56bc945da40c9965d5b7967225c4e/FLAG2c3c5fcc3 [2024-11-08 19:16:02,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data/eaed6f7fc/11c56bc945da40c9965d5b7967225c4e [2024-11-08 19:16:02,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:16:02,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:16:02,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:02,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:16:02,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:16:02,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f13ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02, skipping insertion in model container [2024-11-08 19:16:02,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:16:02,604 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i[917,930] [2024-11-08 19:16:02,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:02,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:16:02,712 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i[917,930] [2024-11-08 19:16:02,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:02,772 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:16:02,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02 WrapperNode [2024-11-08 19:16:02,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:02,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:02,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:16:02,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:16:02,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,841 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2024-11-08 19:16:02,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:02,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:16:02,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:16:02,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:16:02,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,891 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:16:02,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:16:02,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:16:02,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:16:02,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:16:02,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (1/1) ... [2024-11-08 19:16:02,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:02,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:16:02,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:16:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:16:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:16:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:16:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:16:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:16:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:16:03,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:16:03,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:16:03,522 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:16:03,523 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:16:03,536 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:16:03,536 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:16:03,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:03 BoogieIcfgContainer [2024-11-08 19:16:03,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:16:03,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:16:03,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:16:03,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:16:03,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:16:02" (1/3) ... [2024-11-08 19:16:03,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746c7043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:03, skipping insertion in model container [2024-11-08 19:16:03,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:02" (2/3) ... [2024-11-08 19:16:03,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@746c7043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:03, skipping insertion in model container [2024-11-08 19:16:03,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:03" (3/3) ... [2024-11-08 19:16:03,546 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-14.i [2024-11-08 19:16:03,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:16:03,564 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:16:03,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:16:03,649 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;@76f10439, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:16:03,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:16:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:16:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:03,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:03,676 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:03,677 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:03,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1763635790, now seen corresponding path program 1 times [2024-11-08 19:16:03,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:03,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912158903] [2024-11-08 19:16:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:03,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:16:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:16:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:16:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:16:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:16:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:16:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:16:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:16:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:16:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:16:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:16:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:16:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:16:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:16:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:16:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:16:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:16:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:16:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 19:16:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 19:16:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 19:16:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 19:16:04,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:16:04,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912158903] [2024-11-08 19:16:04,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912158903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:04,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:04,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:16:04,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915165825] [2024-11-08 19:16:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:04,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:16:04,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:16:04,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:16:04,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:16:04,302 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 19:16:04,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:04,349 INFO L93 Difference]: Finished difference Result 109 states and 187 transitions. [2024-11-08 19:16:04,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:16:04,351 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2024-11-08 19:16:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:04,366 INFO L225 Difference]: With dead ends: 109 [2024-11-08 19:16:04,366 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 19:16:04,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:16:04,376 INFO L432 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:04,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:16:04,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 19:16:04,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-08 19:16:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:16:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-08 19:16:04,452 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 131 [2024-11-08 19:16:04,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:04,454 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-08 19:16:04,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 19:16:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-08 19:16:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:04,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:04,463 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:04,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:16:04,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:04,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:04,465 INFO L85 PathProgramCache]: Analyzing trace with hash -781273844, now seen corresponding path program 1 times [2024-11-08 19:16:04,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:04,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284936065] [2024-11-08 19:16:04,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:16:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:16:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:16:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:16:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:16:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:16:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:16:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:16:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:16:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:16:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:16:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:16:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:16:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:16:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:16:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:16:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:16:05,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:16:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 19:16:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 19:16:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 19:16:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 19:16:05,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:16:05,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284936065] [2024-11-08 19:16:05,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284936065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:05,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:05,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:16:05,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111326878] [2024-11-08 19:16:05,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:05,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:16:05,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:16:05,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:16:05,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:16:05,372 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 19:16:05,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:05,596 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2024-11-08 19:16:05,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:16:05,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 131 [2024-11-08 19:16:05,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:05,600 INFO L225 Difference]: With dead ends: 157 [2024-11-08 19:16:05,600 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 19:16:05,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:16:05,605 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 43 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:05,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 217 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:16:05,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 19:16:05,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 94. [2024-11-08 19:16:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 states have internal predecessors, (55), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 19:16:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 139 transitions. [2024-11-08 19:16:05,641 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 139 transitions. Word has length 131 [2024-11-08 19:16:05,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:05,642 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 139 transitions. [2024-11-08 19:16:05,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 19:16:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2024-11-08 19:16:05,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:05,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:05,648 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:05,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:16:05,649 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:05,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:05,649 INFO L85 PathProgramCache]: Analyzing trace with hash -101215474, now seen corresponding path program 1 times [2024-11-08 19:16:05,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:05,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220740528] [2024-11-08 19:16:05,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:05,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:16:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:16:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:16:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:16:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:16:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:16:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:16:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:16:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:16:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:16:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:16:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:16:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:16:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:16:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:16:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:16:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:16:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:16:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 19:16:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 19:16:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 19:16:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-08 19:16:06,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:16:06,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220740528] [2024-11-08 19:16:06,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220740528] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:16:06,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129706982] [2024-11-08 19:16:06,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:06,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:16:06,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:06,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:16:06,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:16:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:06,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:16:06,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-08 19:16:06,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:16:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-08 19:16:07,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129706982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:16:07,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:16:07,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2024-11-08 19:16:07,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467469883] [2024-11-08 19:16:07,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:16:07,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:16:07,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:16:07,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:16:07,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:16:07,288 INFO L87 Difference]: Start difference. First operand 94 states and 139 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 19:16:07,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:07,670 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-08 19:16:07,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:16:07,673 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 131 [2024-11-08 19:16:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:07,675 INFO L225 Difference]: With dead ends: 157 [2024-11-08 19:16:07,676 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 19:16:07,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:16:07,678 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 59 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:07,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 131 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:16:07,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 19:16:07,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-08 19:16:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 55 states have internal predecessors, (60), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 19:16:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2024-11-08 19:16:07,703 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 131 [2024-11-08 19:16:07,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:07,704 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2024-11-08 19:16:07,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 19:16:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-08 19:16:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:07,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:07,708 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:07,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:16:07,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-08 19:16:07,913 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:07,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:07,914 INFO L85 PathProgramCache]: Analyzing trace with hash -99368432, now seen corresponding path program 1 times [2024-11-08 19:16:07,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:07,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094882828] [2024-11-08 19:16:07,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:07,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:08,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:16:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:08,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:16:08,236 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:16:08,237 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:16:08,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:16:08,245 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 19:16:08,363 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:16:08,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:16:08 BoogieIcfgContainer [2024-11-08 19:16:08,366 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:16:08,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:16:08,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:16:08,367 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:16:08,367 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:03" (3/4) ... [2024-11-08 19:16:08,374 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:16:08,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:16:08,378 INFO L158 Benchmark]: Toolchain (without parser) took 6069.90ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 118.2MB in the beginning and 109.2MB in the end (delta: 9.1MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-11-08 19:16:08,378 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:16:08,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.09ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 103.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:16:08,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.41ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:16:08,381 INFO L158 Benchmark]: Boogie Preprocessor took 68.16ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 96.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:16:08,385 INFO L158 Benchmark]: RCFGBuilder took 622.64ms. Allocated memory is still 159.4MB. Free memory was 96.3MB in the beginning and 121.1MB in the end (delta: -24.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-08 19:16:08,385 INFO L158 Benchmark]: TraceAbstraction took 4826.79ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 120.2MB in the beginning and 109.2MB in the end (delta: 11.0MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-08 19:16:08,386 INFO L158 Benchmark]: Witness Printer took 9.43ms. Allocated memory is still 192.9MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:16:08,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 81.5MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.09ms. Allocated memory is still 159.4MB. Free memory was 118.2MB in the beginning and 103.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.41ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.16ms. Allocated memory is still 159.4MB. Free memory was 100.5MB in the beginning and 96.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 622.64ms. Allocated memory is still 159.4MB. Free memory was 96.3MB in the beginning and 121.1MB in the end (delta: -24.8MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4826.79ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 120.2MB in the beginning and 109.2MB in the end (delta: 11.0MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 9.43ms. Allocated memory is still 192.9MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryDOUBLEComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1000000; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 1; [L25] signed short int var_1_5 = -64; [L26] signed short int var_1_6 = -64; [L27] signed short int var_1_7 = 10; [L28] signed short int var_1_8 = 8; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 0; [L32] unsigned short int var_1_12 = 2; [L33] float var_1_13 = 32.25; [L34] float var_1_14 = 15.5; [L35] float var_1_15 = 256.25; [L36] double var_1_16 = 8.6; [L37] unsigned short int var_1_17 = 57581; [L38] unsigned char last_1_var_1_9 = 0; VAL [isInitial=0, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=0, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] CALL updateLastVariables() [L102] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=0, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L69] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L69] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L70] var_1_3 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L72] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L72] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=-64, var_1_7=10, var_1_8=8, var_1_9=0] [L73] var_1_6 = __VERIFIER_nondet_short() [L74] CALL assume_abort_if_not(var_1_6 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 >= -32767) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L75] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L75] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=10, var_1_8=8, var_1_9=0] [L76] var_1_7 = __VERIFIER_nondet_short() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L78] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8, var_1_9=0] [L79] var_1_8 = __VERIFIER_nondet_short() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L81] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L83] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=0, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=129/4, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L88] var_1_13 = __VERIFIER_nondet_float() [L89] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L89] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_14=31/2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L90] var_1_14 = __VERIFIER_nondet_float() [L91] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L91] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L92] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L92] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_15=1025/4, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L93] var_1_15 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L94] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_16=43/5, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L96] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=57581, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L97] var_1_17 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_17 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L98] RET assume_abort_if_not(var_1_17 >= 32767) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_17 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L99] RET assume_abort_if_not(var_1_17 <= 65534) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=-64, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L113] RET updateVariables() [L114] CALL step() [L42] COND FALSE !(\read(last_1_var_1_9)) [L45] var_1_5 = ((var_1_7 + 16) - var_1_8) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=2, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L47] COND FALSE !((var_1_13 / var_1_14) <= var_1_15) [L54] var_1_12 = var_1_8 VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L56] COND TRUE ((var_1_5 >= var_1_12) && var_1_2) && var_1_3 [L57] var_1_9 = (! var_1_10) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L61] unsigned char stepLocal_0 = var_1_9; VAL [isInitial=1, last_1_var_1_9=0, stepLocal_0=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L62] COND FALSE !(stepLocal_0 && var_1_9) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L114] RET step() [L115] CALL, EXPR property() [L105-L106] return ((((var_1_9 && var_1_9) ? (var_1_1 == ((signed long int) var_1_5)) : 1) && (last_1_var_1_9 ? (var_1_5 == ((signed short int) var_1_6)) : (var_1_5 == ((signed short int) ((var_1_7 + 16) - var_1_8))))) && ((((var_1_5 >= var_1_12) && var_1_2) && var_1_3) ? (var_1_9 == ((unsigned char) (! var_1_10))) : (var_1_9 == ((unsigned char) (! (var_1_11 || var_1_10)))))) && (((var_1_13 / var_1_14) <= var_1_15) ? (((var_1_16 - 2.3) > var_1_14) ? (var_1_12 == ((unsigned short int) (var_1_17 - var_1_7))) : (var_1_12 == ((unsigned short int) ((((var_1_7) > (((((var_1_17 - var_1_8) < 0 ) ? -(var_1_17 - var_1_8) : (var_1_17 - var_1_8))))) ? (var_1_7) : (((((var_1_17 - var_1_8) < 0 ) ? -(var_1_17 - var_1_8) : (var_1_17 - var_1_8))))))))) : (var_1_12 == ((unsigned short int) var_1_8))) ; VAL [\result=0, isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_9=0, var_1_10=1, var_1_11=1, var_1_12=8199, var_1_17=-1073545218, var_1_1=1000000, var_1_2=1, var_1_3=1, var_1_5=8199, var_1_6=8199, var_1_7=16382, var_1_8=8199, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 4, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 122 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 427 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 223 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 204 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 427 GetRequests, 409 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 655 NumberOfCodeBlocks, 655 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 1205 SizeOfPredicates, 1 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 4110/4200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:16:08,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b7655166bbb063cb0d79efc7c92a46a87667bfeb3cee7f7b538fb162cb5eed2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:16:11,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:16:11,162 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:16:11,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:16:11,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:16:11,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:16:11,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:16:11,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:16:11,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:16:11,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:16:11,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:16:11,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:16:11,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:16:11,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:16:11,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:16:11,217 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:16:11,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:16:11,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:16:11,218 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:16:11,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:16:11,219 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:16:11,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:16:11,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:16:11,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:16:11,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:16:11,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:16:11,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:16:11,223 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:16:11,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:16:11,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:16:11,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:16:11,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:16:11,227 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:16:11,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:16:11,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:11,228 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:16:11,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:16:11,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:16:11,229 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:16:11,229 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:16:11,237 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:16:11,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:16:11,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:16:11,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:16:11,238 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b7655166bbb063cb0d79efc7c92a46a87667bfeb3cee7f7b538fb162cb5eed2 [2024-11-08 19:16:11,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:16:11,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:16:11,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:16:11,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:16:11,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:16:11,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i Unable to find full path for "g++" [2024-11-08 19:16:13,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:16:14,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:16:14,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i [2024-11-08 19:16:14,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data/db7a3a083/3bbbffbe682b4a45a66f81baeed11b1c/FLAGd47d60af0 [2024-11-08 19:16:14,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/data/db7a3a083/3bbbffbe682b4a45a66f81baeed11b1c [2024-11-08 19:16:14,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:16:14,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:16:14,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:14,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:16:14,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:16:14,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5536e7f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14, skipping insertion in model container [2024-11-08 19:16:14,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,248 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:16:14,496 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i[917,930] [2024-11-08 19:16:14,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:14,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:16:14,631 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-14.i[917,930] [2024-11-08 19:16:14,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:14,693 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:16:14,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14 WrapperNode [2024-11-08 19:16:14,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:14,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:14,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:16:14,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:16:14,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,767 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-11-08 19:16:14,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:14,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:16:14,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:16:14,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:16:14,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,816 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:16:14,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:16:14,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:16:14,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:16:14,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:16:14,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (1/1) ... [2024-11-08 19:16:14,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:16:14,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:14,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:16:14,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:16:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:16:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:16:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:16:14,991 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:16:14,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:16:14,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:16:15,109 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:16:15,112 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:16:19,671 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:16:19,672 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:16:19,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:16:19,686 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:16:19,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:19 BoogieIcfgContainer [2024-11-08 19:16:19,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:16:19,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:16:19,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:16:19,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:16:19,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:16:14" (1/3) ... [2024-11-08 19:16:19,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255d0b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:19, skipping insertion in model container [2024-11-08 19:16:19,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:14" (2/3) ... [2024-11-08 19:16:19,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255d0b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:16:19, skipping insertion in model container [2024-11-08 19:16:19,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:19" (3/3) ... [2024-11-08 19:16:19,696 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-14.i [2024-11-08 19:16:19,715 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:16:19,715 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:16:19,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:16:19,823 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;@7155d14a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:16:19,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:16:19,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:16:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:19,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:19,850 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:19,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:19,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1763635790, now seen corresponding path program 1 times [2024-11-08 19:16:19,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:19,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143226736] [2024-11-08 19:16:19,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:19,879 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:19,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:19,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:16:19,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:16:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:20,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:16:20,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:20,416 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-08 19:16:20,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:16:20,421 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:20,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143226736] [2024-11-08 19:16:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143226736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:20,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:20,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:16:20,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766086418] [2024-11-08 19:16:20,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:20,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:16:20,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:20,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:16:20,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:16:20,466 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 19:16:20,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:20,520 INFO L93 Difference]: Finished difference Result 109 states and 187 transitions. [2024-11-08 19:16:20,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:16:20,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2024-11-08 19:16:20,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:20,539 INFO L225 Difference]: With dead ends: 109 [2024-11-08 19:16:20,539 INFO L226 Difference]: Without dead ends: 54 [2024-11-08 19:16:20,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:16:20,550 INFO L432 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:20,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:16:20,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-08 19:16:20,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-08 19:16:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-08 19:16:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions. [2024-11-08 19:16:20,618 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 131 [2024-11-08 19:16:20,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:20,619 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions. [2024-11-08 19:16:20,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 19:16:20,622 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2024-11-08 19:16:20,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:20,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:20,627 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:20,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:16:20,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:20,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:20,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:20,829 INFO L85 PathProgramCache]: Analyzing trace with hash -781273844, now seen corresponding path program 1 times [2024-11-08 19:16:20,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:20,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730392594] [2024-11-08 19:16:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:20,831 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:20,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:20,834 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:16:20,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:16:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:21,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:16:21,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-08 19:16:22,432 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:16:22,432 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:22,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730392594] [2024-11-08 19:16:22,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730392594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:22,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:22,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:16:22,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035175218] [2024-11-08 19:16:22,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:22,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:16:22,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:22,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:16:22,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:16:22,441 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 19:16:25,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:27,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:27,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:27,203 INFO L93 Difference]: Finished difference Result 160 states and 238 transitions. [2024-11-08 19:16:27,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:16:27,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 131 [2024-11-08 19:16:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:27,234 INFO L225 Difference]: With dead ends: 160 [2024-11-08 19:16:27,234 INFO L226 Difference]: Without dead ends: 109 [2024-11-08 19:16:27,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:16:27,237 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 46 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:27,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 221 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-08 19:16:27,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-08 19:16:27,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2024-11-08 19:16:27,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 49 states have (on average 1.1224489795918366) internal successors, (55), 49 states have internal predecessors, (55), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 19:16:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 139 transitions. [2024-11-08 19:16:27,279 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 139 transitions. Word has length 131 [2024-11-08 19:16:27,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:27,281 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 139 transitions. [2024-11-08 19:16:27,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-08 19:16:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2024-11-08 19:16:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:27,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:27,284 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:27,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 19:16:27,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:27,485 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:27,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:27,486 INFO L85 PathProgramCache]: Analyzing trace with hash -101215474, now seen corresponding path program 1 times [2024-11-08 19:16:27,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:27,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089057136] [2024-11-08 19:16:27,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:27,487 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:27,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:27,490 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:16:27,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:16:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:27,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:16:27,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:16:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 30 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-08 19:16:28,542 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:16:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-08 19:16:29,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:16:29,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089057136] [2024-11-08 19:16:29,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089057136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:16:29,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:16:29,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-08 19:16:29,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159264260] [2024-11-08 19:16:29,339 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:16:29,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:16:29,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:16:29,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:16:29,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:16:29,342 INFO L87 Difference]: Start difference. First operand 94 states and 139 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 19:16:31,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:16:31,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:31,604 INFO L93 Difference]: Finished difference Result 157 states and 225 transitions. [2024-11-08 19:16:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:16:31,637 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 131 [2024-11-08 19:16:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:16:31,640 INFO L225 Difference]: With dead ends: 157 [2024-11-08 19:16:31,640 INFO L226 Difference]: Without dead ends: 106 [2024-11-08 19:16:31,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:16:31,642 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 105 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:16:31,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 103 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 19:16:31,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-08 19:16:31,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-08 19:16:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 55 states have internal predecessors, (60), 42 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-08 19:16:31,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2024-11-08 19:16:31,687 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 131 [2024-11-08 19:16:31,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:16:31,690 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 144 transitions. [2024-11-08 19:16:31,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 19:16:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2024-11-08 19:16:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 19:16:31,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:16:31,698 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:31,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 19:16:31,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:31,899 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:16:31,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:31,899 INFO L85 PathProgramCache]: Analyzing trace with hash -99368432, now seen corresponding path program 1 times [2024-11-08 19:16:31,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:16:31,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105082481] [2024-11-08 19:16:31,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:31,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:16:31,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:16:31,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:16:31,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2394a4cf-fa77-4e79-9c46-5daac6cbc187/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 19:16:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:32,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 19:16:32,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:17:10,577 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:31:17,734 WARN L286 SmtUtils]: Spent 13.29s on a formula simplification. DAG size of input: 181 DAG size of output: 177 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)