./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.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_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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_d3c91544-3287-4d01-9955-090177b9c3ab/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 cfa2c23666e01bd6df2cc0afa85d53a211ba47ef59d8b9cd47dbdd9fab90400f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:03:04,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:03:04,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 18:03:04,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:03:04,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:03:04,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:03:04,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:03:04,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:03:04,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:03:04,596 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:03:04,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:03:04,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:03:04,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:03:04,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:03:04,598 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:03:04,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:03:04,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:03:04,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:03:04,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:03:04,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:03:04,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:03:04,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:03:04,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:03:04,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:03:04,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:03:04,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:03:04,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:03:04,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:03:04,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:03:04,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:03:04,613 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:03:04,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:03:04,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:03:04,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:03:04,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:03:04,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:03:04,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:03:04,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:03:04,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:03:04,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:03:04,637 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:03:04,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:03:04,637 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_d3c91544-3287-4d01-9955-090177b9c3ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa2c23666e01bd6df2cc0afa85d53a211ba47ef59d8b9cd47dbdd9fab90400f [2024-11-08 18:03:04,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:03:05,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:03:05,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:03:05,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:03:05,012 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:03:05,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i Unable to find full path for "g++" [2024-11-08 18:03:07,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:03:07,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:03:07,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i [2024-11-08 18:03:07,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data/ae5f1cdf8/398211d39d754e849eb0fda67caf1fef/FLAG07875d8a5 [2024-11-08 18:03:07,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data/ae5f1cdf8/398211d39d754e849eb0fda67caf1fef [2024-11-08 18:03:07,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:03:07,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:03:07,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:03:07,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:03:07,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:03:07,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:03:07" (1/1) ... [2024-11-08 18:03:07,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc31dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:07, skipping insertion in model container [2024-11-08 18:03:07,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:03:07" (1/1) ... [2024-11-08 18:03:08,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:03:08,235 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_d3c91544-3287-4d01-9955-090177b9c3ab/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i[915,928] [2024-11-08 18:03:08,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:03:08,334 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:03:08,350 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_d3c91544-3287-4d01-9955-090177b9c3ab/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i[915,928] [2024-11-08 18:03:08,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:03:08,421 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:03:08,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08 WrapperNode [2024-11-08 18:03:08,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:03:08,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:03:08,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:03:08,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:03:08,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,530 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2024-11-08 18:03:08,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:03:08,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:03:08,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:03:08,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:03:08,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,572 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 18:03:08,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:03:08,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:03:08,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:03:08,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:03:08,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (1/1) ... [2024-11-08 18:03:08,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:03:08,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:08,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:03:08,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:03:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:03:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:03:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:03:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:03:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:03:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:03:08,799 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:03:08,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:03:09,352 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 18:03:09,352 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:03:09,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:03:09,377 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:03:09,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:09 BoogieIcfgContainer [2024-11-08 18:03:09,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:03:09,383 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:03:09,383 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:03:09,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:03:09,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:03:07" (1/3) ... [2024-11-08 18:03:09,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ac6782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:03:09, skipping insertion in model container [2024-11-08 18:03:09,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:08" (2/3) ... [2024-11-08 18:03:09,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ac6782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:03:09, skipping insertion in model container [2024-11-08 18:03:09,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:09" (3/3) ... [2024-11-08 18:03:09,391 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-49.i [2024-11-08 18:03:09,414 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:03:09,414 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:03:09,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:03:09,498 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;@21771662, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:03:09,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:03:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 49 states have internal predecessors, (68), 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 18:03:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:03:09,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:09,522 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, 1, 1, 1, 1] [2024-11-08 18:03:09,523 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:09,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:09,531 INFO L85 PathProgramCache]: Analyzing trace with hash 632756821, now seen corresponding path program 1 times [2024-11-08 18:03:09,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:09,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045849007] [2024-11-08 18:03:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:09,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:03:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:03:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:03:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:03:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:03:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:03:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:03:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:03:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:03:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 18:03:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:03:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 18:03:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:03:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:10,293 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 18:03:10,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:10,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045849007] [2024-11-08 18:03:10,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045849007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:10,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:10,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:03:10,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776654891] [2024-11-08 18:03:10,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:10,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:03:10,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:10,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:03:10,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:03:10,349 INFO L87 Difference]: Start difference. First operand has 72 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 49 states have internal predecessors, (68), 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), 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 18:03:10,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:10,392 INFO L93 Difference]: Finished difference Result 136 states and 233 transitions. [2024-11-08 18:03:10,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:03:10,395 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), 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 135 [2024-11-08 18:03:10,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:10,407 INFO L225 Difference]: With dead ends: 136 [2024-11-08 18:03:10,407 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 18:03:10,412 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 18:03:10,420 INFO L432 NwaCegarLoop]: 100 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, 100 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 18:03:10,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:03:10,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 18:03:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-08 18:03:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 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 18:03:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 100 transitions. [2024-11-08 18:03:10,486 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 100 transitions. Word has length 135 [2024-11-08 18:03:10,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:10,487 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 100 transitions. [2024-11-08 18:03:10,487 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), 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 18:03:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-08 18:03:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:03:10,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:10,494 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, 1, 1, 1, 1] [2024-11-08 18:03:10,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:03:10,495 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:10,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:10,496 INFO L85 PathProgramCache]: Analyzing trace with hash 99990923, now seen corresponding path program 1 times [2024-11-08 18:03:10,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:10,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311831478] [2024-11-08 18:03:10,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:10,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:03:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:03:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:03:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:03:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:03:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:03:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:03:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:03:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:03:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 18:03:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:03:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 18:03:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:03:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:11,752 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 18:03:11,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:11,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311831478] [2024-11-08 18:03:11,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311831478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:11,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:11,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:03:11,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605057651] [2024-11-08 18:03:11,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:11,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:03:11,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:11,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:03:11,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:03:11,765 INFO L87 Difference]: Start difference. First operand 67 states and 100 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 18:03:12,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:12,108 INFO L93 Difference]: Finished difference Result 195 states and 293 transitions. [2024-11-08 18:03:12,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:03:12,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 135 [2024-11-08 18:03:12,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:12,116 INFO L225 Difference]: With dead ends: 195 [2024-11-08 18:03:12,117 INFO L226 Difference]: Without dead ends: 131 [2024-11-08 18:03:12,118 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 18:03:12,119 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 72 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:12,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 278 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:03:12,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-08 18:03:12,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 109. [2024-11-08 18:03:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 64 states have (on average 1.234375) internal successors, (79), 64 states have internal predecessors, (79), 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 18:03:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 163 transitions. [2024-11-08 18:03:12,185 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 163 transitions. Word has length 135 [2024-11-08 18:03:12,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:12,189 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 163 transitions. [2024-11-08 18:03:12,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 18:03:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2024-11-08 18:03:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:03:12,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:12,193 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, 1, 1, 1, 1, 1] [2024-11-08 18:03:12,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:03:12,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:12,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:12,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1291134031, now seen corresponding path program 1 times [2024-11-08 18:03:12,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:12,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879621646] [2024-11-08 18:03:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:12,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:03:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:03:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:03:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:03:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:03:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:03:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:03:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:03:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:03:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 18:03:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:03:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 18:03:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:03:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:12,720 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 18:03:12,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:12,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879621646] [2024-11-08 18:03:12,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879621646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:12,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:12,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:03:12,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440806690] [2024-11-08 18:03:12,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:12,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:03:12,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:12,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:03:12,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:03:12,731 INFO L87 Difference]: Start difference. First operand 109 states and 163 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 18:03:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:12,800 INFO L93 Difference]: Finished difference Result 174 states and 262 transitions. [2024-11-08 18:03:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:03:12,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 136 [2024-11-08 18:03:12,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:12,812 INFO L225 Difference]: With dead ends: 174 [2024-11-08 18:03:12,812 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 18:03:12,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:03:12,815 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:12,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:03:12,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 18:03:12,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-08 18:03:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 65 states have internal predecessors, (80), 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 18:03:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 164 transitions. [2024-11-08 18:03:12,862 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 164 transitions. Word has length 136 [2024-11-08 18:03:12,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:12,863 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 164 transitions. [2024-11-08 18:03:12,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 18:03:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 164 transitions. [2024-11-08 18:03:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 18:03:12,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:12,870 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, 1, 1, 1, 1, 1, 1] [2024-11-08 18:03:12,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:03:12,871 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:12,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:12,872 INFO L85 PathProgramCache]: Analyzing trace with hash 214195718, now seen corresponding path program 1 times [2024-11-08 18:03:12,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:12,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961912672] [2024-11-08 18:03:12,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 18:03:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 18:03:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 18:03:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 18:03:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 18:03:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 18:03:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 18:03:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 18:03:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 18:03:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 18:03:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 18:03:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 18:03:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 18:03:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 18:03:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 18:03:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 18:03:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 18:03:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 18:03:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 18:03:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 18:03:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 18:03:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:13,842 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-08 18:03:13,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:03:13,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961912672] [2024-11-08 18:03:13,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961912672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:03:13,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484526977] [2024-11-08 18:03:13,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:13,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:03:13,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:13,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:03:13,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:03:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:14,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 18:03:14,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:03:15,725 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-11-08 18:03:15,726 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:03:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-11-08 18:03:16,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484526977] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:03:16,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:03:16,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 17 [2024-11-08 18:03:16,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13945710] [2024-11-08 18:03:16,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:03:16,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 18:03:16,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:03:16,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 18:03:16,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:03:16,877 INFO L87 Difference]: Start difference. First operand 110 states and 164 transitions. Second operand has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2024-11-08 18:03:19,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:19,028 INFO L93 Difference]: Finished difference Result 496 states and 713 transitions. [2024-11-08 18:03:19,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-08 18:03:19,029 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) Word has length 137 [2024-11-08 18:03:19,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:19,034 INFO L225 Difference]: With dead ends: 496 [2024-11-08 18:03:19,034 INFO L226 Difference]: Without dead ends: 431 [2024-11-08 18:03:19,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=450, Invalid=1190, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 18:03:19,037 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 714 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:19,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 470 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 18:03:19,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-08 18:03:19,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 338. [2024-11-08 18:03:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 220 states have (on average 1.240909090909091) internal successors, (273), 221 states have internal predecessors, (273), 107 states have call successors, (107), 10 states have call predecessors, (107), 10 states have return successors, (107), 106 states have call predecessors, (107), 107 states have call successors, (107) [2024-11-08 18:03:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 487 transitions. [2024-11-08 18:03:19,134 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 487 transitions. Word has length 137 [2024-11-08 18:03:19,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:19,135 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 487 transitions. [2024-11-08 18:03:19,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 17 states have internal predecessors, (97), 6 states have call successors, (63), 3 states have call predecessors, (63), 6 states have return successors, (63), 6 states have call predecessors, (63), 6 states have call successors, (63) [2024-11-08 18:03:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 487 transitions. [2024-11-08 18:03:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 18:03:19,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:19,145 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:03:19,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:03:19,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:03:19,346 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:19,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:19,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2132109492, now seen corresponding path program 1 times [2024-11-08 18:03:19,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:03:19,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186977095] [2024-11-08 18:03:19,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:19,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:03:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 18:03:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [291872070] [2024-11-08 18:03:19,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:19,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:03:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:19,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:03:19,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:03:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:20,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:03:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:03:20,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:03:20,277 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:03:20,279 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 18:03:20,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:03:20,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:03:20,491 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 18:03:20,651 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:03:20,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:03:20 BoogieIcfgContainer [2024-11-08 18:03:20,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:03:20,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:03:20,659 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:03:20,660 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:03:20,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:09" (3/4) ... [2024-11-08 18:03:20,663 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:03:20,665 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:03:20,666 INFO L158 Benchmark]: Toolchain (without parser) took 12734.12ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 120.5MB in the beginning and 114.5MB in the end (delta: 6.0MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2024-11-08 18:03:20,666 INFO L158 Benchmark]: CDTParser took 2.55ms. Allocated memory is still 153.1MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:03:20,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.00ms. Allocated memory is still 153.1MB. Free memory was 120.0MB in the beginning and 104.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 18:03:20,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.87ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 100.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:03:20,671 INFO L158 Benchmark]: Boogie Preprocessor took 69.31ms. Allocated memory is still 153.1MB. Free memory was 100.1MB in the beginning and 94.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 18:03:20,671 INFO L158 Benchmark]: RCFGBuilder took 779.06ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 71.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 18:03:20,672 INFO L158 Benchmark]: TraceAbstraction took 11275.43ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 70.7MB in the beginning and 114.5MB in the end (delta: -43.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-08 18:03:20,672 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 237.0MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:03:20,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.55ms. Allocated memory is still 153.1MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.00ms. Allocated memory is still 153.1MB. Free memory was 120.0MB in the beginning and 104.2MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.87ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 100.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.31ms. Allocated memory is still 153.1MB. Free memory was 100.1MB in the beginning and 94.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 779.06ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 71.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11275.43ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 70.7MB in the beginning and 114.5MB in the end (delta: -43.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 237.0MB. Free memory is still 114.5MB. 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 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of bitwiseAnd at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 10; [L23] unsigned long int var_1_3 = 3171453299; [L24] unsigned long int var_1_4 = 2038274679; [L25] unsigned long int var_1_5 = 1375699353; [L26] unsigned short int var_1_8 = 16; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 1; [L29] double var_1_14 = 64.45; [L30] float var_1_15 = 31.15; [L31] float var_1_16 = 16.4; [L32] double var_1_17 = 100.625; [L33] double var_1_18 = 128.1; [L34] unsigned char var_1_19 = 1; [L35] unsigned char var_1_20 = 8; [L36] unsigned char var_1_21 = 100; [L37] unsigned char var_1_22 = 0; [L38] signed char var_1_23 = 2; [L39] unsigned char var_1_24 = 0; [L40] unsigned long int last_1_var_1_1 = 10; [L41] unsigned short int last_1_var_1_8 = 16; [L42] unsigned char last_1_var_1_12 = 1; [L43] unsigned char last_1_var_1_19 = 1; [L44] unsigned char last_1_var_1_22 = 0; VAL [isInitial=0, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L123] last_1_var_1_1 = var_1_1 [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_12 = var_1_12 [L126] last_1_var_1_19 = var_1_19 [L127] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=3171453299, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L88] var_1_3 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L89] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L90] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L90] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=2038274679, var_1_5=1375699353, var_1_8=16] [L91] var_1_4 = __VERIFIER_nondet_ulong() [L92] CALL assume_abort_if_not(var_1_4 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1375699353, var_1_8=16] [L92] RET assume_abort_if_not(var_1_4 >= 1073741823) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1375699353, var_1_8=16] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1375699353, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1375699353, var_1_8=16] [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=1375699353, var_1_8=16] [L94] var_1_5 = __VERIFIER_nondet_ulong() [L95] CALL assume_abort_if_not(var_1_5 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L95] RET assume_abort_if_not(var_1_5 >= 1073741824) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L98] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L99] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L99] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_15=623/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L100] var_1_15 = __VERIFIER_nondet_float() [L101] 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_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L101] 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_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_16=82/5, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L102] var_1_16 = __VERIFIER_nondet_float() [L103] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && 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_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L103] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && 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_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_17=805/8, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L104] var_1_17 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L105] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_18=1281/10, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L106] var_1_18 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L107] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=8, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L108] var_1_20 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L109] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L110] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L110] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=100, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L111] var_1_21 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L112] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L113] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L113] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L114] var_1_23 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_23 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L115] RET assume_abort_if_not(var_1_23 >= -128) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L116] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L116] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L117] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L117] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L118] var_1_24 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L119] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L120] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L120] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L138] RET updateVariables() [L139] CALL step() [L48] COND TRUE ! last_1_var_1_22 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L49] COND TRUE (last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19 [L50] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L55] COND FALSE !(var_1_13 && last_1_var_1_22) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=16] [L62] var_1_8 = ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19))))) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=1289/20, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] [L63] COND TRUE (((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16 [L64] var_1_14 = ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=10, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] [L66] COND TRUE \read(last_1_var_1_12) [L67] var_1_1 = (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] [L69] EXPR var_1_19 & var_1_4 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=256, var_1_22=0, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] [L69] COND FALSE !((-2 / var_1_23) >= (var_1_19 & var_1_4)) [L84] var_1_22 = var_1_13 VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] [L130-L131] return (((((last_1_var_1_12 ? (var_1_1 == ((unsigned long int) (((((var_1_3) > ((var_1_4 + var_1_5))) ? (var_1_3) : ((var_1_4 + var_1_5)))) - (((((last_1_var_1_19) > (last_1_var_1_8)) ? (last_1_var_1_19) : (last_1_var_1_8))) + 256u)))) : 1) && (var_1_8 == ((unsigned short int) ((((25) > ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))) ? (25) : ((((((var_1_19) < (var_1_19)) ? (var_1_19) : (var_1_19))) + (100 + var_1_19)))))))) && ((! last_1_var_1_22) ? (((last_1_var_1_1 * ((((last_1_var_1_19) < (var_1_5)) ? (last_1_var_1_19) : (var_1_5)))) >= last_1_var_1_19) ? (var_1_12 == ((unsigned char) var_1_13)) : 1) : (var_1_12 == ((unsigned char) 0)))) && (((((((- 9.5f)) > ((- var_1_15))) ? ((- 9.5f)) : ((- var_1_15)))) < var_1_16) ? (var_1_14 == ((double) ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))))) : 1)) && ((var_1_13 && last_1_var_1_22) ? ((var_1_4 > (256u * last_1_var_1_8)) ? (var_1_19 == ((unsigned char) ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) : (var_1_19 == ((unsigned char) var_1_20))) : 1)) && (((-2 / var_1_23) >= (var_1_19 & var_1_4)) ? ((var_1_21 >= (var_1_1 + var_1_5)) ? (((~ var_1_19) > var_1_20) ? (var_1_12 ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) : (var_1_22 == ((unsigned char) var_1_13))) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, last_1_var_1_19=1, last_1_var_1_1=10, last_1_var_1_22=0, last_1_var_1_8=16, var_1_12=1, var_1_13=1, var_1_14=2, var_1_17=2, var_1_18=0, var_1_19=1, var_1_1=-2147483921, var_1_20=0, var_1_21=256, var_1_22=1, var_1_23=2, var_1_24=0, var_1_3=2147483647, var_1_4=1073741823, var_1_5=-3221225472, var_1_8=102] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 5, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 808 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 786 mSDsluCounter, 1040 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 663 mSDsCounter, 448 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 448 mSolverCounterUnsat, 377 mSDtfsCounter, 612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 506 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=338occurred in iteration=4, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 115 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 956 NumberOfCodeBlocks, 956 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 811 ConstructedInterpolants, 0 QuantifiedInterpolants, 3590 SizeOfPredicates, 3 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 4878/5040 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 18:03:20,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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_d3c91544-3287-4d01-9955-090177b9c3ab/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 cfa2c23666e01bd6df2cc0afa85d53a211ba47ef59d8b9cd47dbdd9fab90400f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:03:23,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:03:23,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 18:03:23,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:03:23,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:03:23,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:03:23,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:03:23,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:03:23,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:03:23,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:03:23,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:03:23,862 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:03:23,863 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:03:23,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:03:23,866 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:03:23,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:03:23,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:03:23,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:03:23,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:03:23,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:03:23,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:03:23,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:03:23,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:03:23,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:03:23,875 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:03:23,875 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:03:23,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:03:23,876 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:03:23,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:03:23,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:03:23,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:03:23,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:03:23,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:03:23,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:03:23,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:03:23,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:03:23,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:03:23,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:03:23,881 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:03:23,881 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:03:23,881 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:03:23,883 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:03:23,883 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:03:23,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:03:23,883 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_d3c91544-3287-4d01-9955-090177b9c3ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfa2c23666e01bd6df2cc0afa85d53a211ba47ef59d8b9cd47dbdd9fab90400f [2024-11-08 18:03:24,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:03:24,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:03:24,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:03:24,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:03:24,396 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:03:24,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i Unable to find full path for "g++" [2024-11-08 18:03:27,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:03:27,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:03:27,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i [2024-11-08 18:03:27,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data/c451f7134/37057c069e7549d98233dbb1bc9d3cf9/FLAG3dd013ac4 [2024-11-08 18:03:27,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/data/c451f7134/37057c069e7549d98233dbb1bc9d3cf9 [2024-11-08 18:03:27,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:03:27,461 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:03:27,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:03:27,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:03:27,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:03:27,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:03:27" (1/1) ... [2024-11-08 18:03:27,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd261ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:27, skipping insertion in model container [2024-11-08 18:03:27,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:03:27" (1/1) ... [2024-11-08 18:03:27,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:03:27,732 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_d3c91544-3287-4d01-9955-090177b9c3ab/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i[915,928] [2024-11-08 18:03:27,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:03:27,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:03:27,968 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_d3c91544-3287-4d01-9955-090177b9c3ab/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-49.i[915,928] [2024-11-08 18:03:28,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:03:28,041 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:03:28,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28 WrapperNode [2024-11-08 18:03:28,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:03:28,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:03:28,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:03:28,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:03:28,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,078 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,138 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-08 18:03:28,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:03:28,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:03:28,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:03:28,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:03:28,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,192 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 18:03:28,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:03:28,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:03:28,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:03:28,222 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:03:28,223 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (1/1) ... [2024-11-08 18:03:28,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:03:28,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:28,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:03:28,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:03:28,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:03:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:03:28,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 18:03:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 18:03:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:03:28,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:03:28,460 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:03:28,463 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:03:29,113 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 18:03:29,114 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:03:29,131 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:03:29,131 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 18:03:29,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:29 BoogieIcfgContainer [2024-11-08 18:03:29,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:03:29,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:03:29,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:03:29,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:03:29,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:03:27" (1/3) ... [2024-11-08 18:03:29,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2dfd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:03:29, skipping insertion in model container [2024-11-08 18:03:29,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:03:28" (2/3) ... [2024-11-08 18:03:29,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2dfd3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:03:29, skipping insertion in model container [2024-11-08 18:03:29,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:03:29" (3/3) ... [2024-11-08 18:03:29,143 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-49.i [2024-11-08 18:03:29,165 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:03:29,165 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 18:03:29,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:03:29,259 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;@1b2f9773, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:03:29,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 18:03:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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 18:03:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 18:03:29,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:29,292 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, 1] [2024-11-08 18:03:29,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:29,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash 298754193, now seen corresponding path program 1 times [2024-11-08 18:03:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:03:29,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574491016] [2024-11-08 18:03:29,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:29,322 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 18:03:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:03:29,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:29,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:29,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:03:29,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:03:29,843 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 18:03:29,844 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:03:29,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:03:29,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574491016] [2024-11-08 18:03:29,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574491016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:29,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:29,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 18:03:29,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054021540] [2024-11-08 18:03:29,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:29,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:03:29,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:03:29,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:03:29,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:03:29,895 INFO L87 Difference]: Start difference. First operand has 63 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 18:03:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:29,958 INFO L93 Difference]: Finished difference Result 118 states and 205 transitions. [2024-11-08 18:03:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:03:29,961 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 132 [2024-11-08 18:03:29,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:29,974 INFO L225 Difference]: With dead ends: 118 [2024-11-08 18:03:29,975 INFO L226 Difference]: Without dead ends: 58 [2024-11-08 18:03:29,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 18:03:29,990 INFO L432 NwaCegarLoop]: 86 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, 86 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 18:03:29,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:03:30,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-08 18:03:30,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-08 18:03:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 35 states have (on average 1.2571428571428571) 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 18:03:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions. [2024-11-08 18:03:30,067 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 132 [2024-11-08 18:03:30,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:30,069 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 86 transitions. [2024-11-08 18:03:30,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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 18:03:30,070 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2024-11-08 18:03:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 18:03:30,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:30,079 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, 1] [2024-11-08 18:03:30,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:03:30,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:30,280 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:30,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:30,282 INFO L85 PathProgramCache]: Analyzing trace with hash 739752219, now seen corresponding path program 1 times [2024-11-08 18:03:30,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:03:30,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955949197] [2024-11-08 18:03:30,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:30,287 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 18:03:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:03:30,291 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:30,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:30,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:03:30,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:03:31,387 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 18:03:31,389 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:03:31,390 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:03:31,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955949197] [2024-11-08 18:03:31,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955949197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:03:31,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:03:31,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:03:31,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595315167] [2024-11-08 18:03:31,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:03:31,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:03:31,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:03:31,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:03:31,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:03:31,402 INFO L87 Difference]: Start difference. First operand 58 states and 86 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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 18:03:31,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:03:31,942 INFO L93 Difference]: Finished difference Result 175 states and 263 transitions. [2024-11-08 18:03:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:03:31,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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 132 [2024-11-08 18:03:31,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:03:31,962 INFO L225 Difference]: With dead ends: 175 [2024-11-08 18:03:31,962 INFO L226 Difference]: Without dead ends: 120 [2024-11-08 18:03:31,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 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 18:03:31,968 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 63 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 18:03:31,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 242 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 18:03:31,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-08 18:03:32,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 99. [2024-11-08 18:03:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 54 states have internal predecessors, (63), 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 18:03:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 147 transitions. [2024-11-08 18:03:32,027 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 147 transitions. Word has length 132 [2024-11-08 18:03:32,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:03:32,029 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 147 transitions. [2024-11-08 18:03:32,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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 18:03:32,032 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2024-11-08 18:03:32,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 18:03:32,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:03:32,038 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, 1, 1] [2024-11-08 18:03:32,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:03:32,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:32,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:03:32,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:03:32,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1395890665, now seen corresponding path program 1 times [2024-11-08 18:03:32,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:03:32,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651976075] [2024-11-08 18:03:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:32,246 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 18:03:32,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:03:32,249 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:32,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c91544-3287-4d01-9955-090177b9c3ab/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 18:03:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:32,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 18:03:32,678 INFO L278 TraceCheckSpWp]: Computing forward predicates...