./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/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_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/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_cc67d500-f679-4d43-8063-1d3e95a94059/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 7ec09e5648980bc5a4329f49d7e2504b195b194638f2d82967f3c7db0031611d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:06:35,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:06:35,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:06:35,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:06:35,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:06:35,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:06:35,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:06:35,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:06:35,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:06:35,424 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:06:35,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:06:35,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:06:35,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:06:35,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:06:35,429 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:06:35,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:06:35,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:06:35,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:06:35,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:06:35,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:06:35,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:06:35,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:06:35,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:06:35,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:06:35,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:06:35,437 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:06:35,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:06:35,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:06:35,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:06:35,439 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:06:35,442 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:06:35,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:06:35,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:06:35,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:06:35,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:06:35,445 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:06:35,446 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:06:35,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:06:35,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:06:35,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:06:35,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:06:35,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:06:35,448 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_cc67d500-f679-4d43-8063-1d3e95a94059/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ec09e5648980bc5a4329f49d7e2504b195b194638f2d82967f3c7db0031611d [2024-11-08 19:06:35,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:06:35,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:06:35,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:06:35,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:06:35,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:06:35,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i Unable to find full path for "g++" [2024-11-08 19:06:38,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:06:38,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:06:38,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i [2024-11-08 19:06:38,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data/b809d658b/c561c60b824947eab3b24452431cfd50/FLAGc278fd4f4 [2024-11-08 19:06:38,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data/b809d658b/c561c60b824947eab3b24452431cfd50 [2024-11-08 19:06:38,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:06:38,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:06:38,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:06:38,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:06:38,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:06:38,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:06:38" (1/1) ... [2024-11-08 19:06:38,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1d8215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:38, skipping insertion in model container [2024-11-08 19:06:38,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:06:38" (1/1) ... [2024-11-08 19:06:38,715 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:06:38,973 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_cc67d500-f679-4d43-8063-1d3e95a94059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i[913,926] [2024-11-08 19:06:39,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:06:39,062 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:06:39,074 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_cc67d500-f679-4d43-8063-1d3e95a94059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i[913,926] [2024-11-08 19:06:39,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:06:39,126 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:06:39,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39 WrapperNode [2024-11-08 19:06:39,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:06:39,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:06:39,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:06:39,129 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:06:39,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,185 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-08 19:06:39,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:06:39,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:06:39,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:06:39,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:06:39,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,204 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,220 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:06:39,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:06:39,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:06:39,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:06:39,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:06:39,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (1/1) ... [2024-11-08 19:06:39,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:06:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:06:39,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:06:39,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:06:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:06:39,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:06:39,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:06:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:06:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:06:39,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:06:39,444 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:06:39,446 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:06:39,799 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 19:06:39,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:06:39,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:06:39,816 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:06:39,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:39 BoogieIcfgContainer [2024-11-08 19:06:39,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:06:39,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:06:39,821 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:06:39,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:06:39,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:06:38" (1/3) ... [2024-11-08 19:06:39,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72efbeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:06:39, skipping insertion in model container [2024-11-08 19:06:39,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:39" (2/3) ... [2024-11-08 19:06:39,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72efbeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:06:39, skipping insertion in model container [2024-11-08 19:06:39,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:39" (3/3) ... [2024-11-08 19:06:39,830 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-35.i [2024-11-08 19:06:39,854 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:06:39,854 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:06:39,953 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:06:39,967 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;@44a23e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:06:39,968 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:06:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:39,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:39,997 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:39,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:40,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:40,007 INFO L85 PathProgramCache]: Analyzing trace with hash -2050742750, now seen corresponding path program 1 times [2024-11-08 19:06:40,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:40,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029474401] [2024-11-08 19:06:40,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:40,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:06:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:06:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:06:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:06:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 19:06:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:06:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 19:06:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:06:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:06:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:06:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:06:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:06:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:06:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:06:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:06:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:06:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:06:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:06:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 19:06:40,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:40,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029474401] [2024-11-08 19:06:40,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029474401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:40,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:40,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:06:40,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569204516] [2024-11-08 19:06:40,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:40,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:06:40,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:40,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:06:40,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:06:40,617 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 19:06:40,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:40,698 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-08 19:06:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:06:40,702 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-08 19:06:40,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:40,715 INFO L225 Difference]: With dead ends: 101 [2024-11-08 19:06:40,715 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 19:06:40,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:06:40,728 INFO L432 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:40,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:06:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 19:06:40,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 19:06:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-08 19:06:40,805 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 115 [2024-11-08 19:06:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:40,806 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-08 19:06:40,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 19:06:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-08 19:06:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:40,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:40,814 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:40,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:06:40,815 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:40,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:40,819 INFO L85 PathProgramCache]: Analyzing trace with hash -475434466, now seen corresponding path program 1 times [2024-11-08 19:06:40,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:40,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513686103] [2024-11-08 19:06:40,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:40,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:06:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:06:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:06:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:06:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 19:06:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:06:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 19:06:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:06:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:06:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:06:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:06:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:06:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:06:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:06:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:06:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:06:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:06:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:06:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 19:06:41,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:41,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513686103] [2024-11-08 19:06:41,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513686103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:41,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:41,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:06:41,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629123237] [2024-11-08 19:06:41,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:41,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:06:41,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:41,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:06:41,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:06:41,351 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 19:06:41,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:41,447 INFO L93 Difference]: Finished difference Result 142 states and 209 transitions. [2024-11-08 19:06:41,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:06:41,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2024-11-08 19:06:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:41,455 INFO L225 Difference]: With dead ends: 142 [2024-11-08 19:06:41,456 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 19:06:41,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:06:41,458 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 66 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:41,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 136 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:06:41,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 19:06:41,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 51. [2024-11-08 19:06:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2024-11-08 19:06:41,489 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 115 [2024-11-08 19:06:41,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:41,492 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2024-11-08 19:06:41,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 19:06:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2024-11-08 19:06:41,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:41,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:41,496 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:41,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:06:41,497 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:41,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:41,498 INFO L85 PathProgramCache]: Analyzing trace with hash -418176164, now seen corresponding path program 1 times [2024-11-08 19:06:41,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:41,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594921197] [2024-11-08 19:06:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:41,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:06:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:06:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:06:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:06:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 19:06:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:06:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 19:06:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:06:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:06:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:06:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:06:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:06:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:06:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:06:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:06:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:06:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:06:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:06:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 19:06:41,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:41,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594921197] [2024-11-08 19:06:41,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594921197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:41,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:41,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:06:41,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907695276] [2024-11-08 19:06:41,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:41,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:06:41,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:41,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:06:41,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:06:41,866 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 19:06:41,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:41,891 INFO L93 Difference]: Finished difference Result 99 states and 143 transitions. [2024-11-08 19:06:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:06:41,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2024-11-08 19:06:41,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:41,894 INFO L225 Difference]: With dead ends: 99 [2024-11-08 19:06:41,894 INFO L226 Difference]: Without dead ends: 51 [2024-11-08 19:06:41,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:06:41,897 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:41,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:06:41,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-08 19:06:41,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-08 19:06:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2024-11-08 19:06:41,907 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 115 [2024-11-08 19:06:41,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:41,908 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2024-11-08 19:06:41,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 19:06:41,909 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-11-08 19:06:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:41,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:41,912 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:41,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:06:41,912 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:41,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:41,913 INFO L85 PathProgramCache]: Analyzing trace with hash -25149154, now seen corresponding path program 1 times [2024-11-08 19:06:41,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:41,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276458598] [2024-11-08 19:06:41,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:41,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:06:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:06:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:06:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:06:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 19:06:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:06:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 19:06:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:06:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:06:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:06:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:06:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:06:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:06:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:06:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:06:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:06:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:06:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:06:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 19:06:42,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:06:42,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276458598] [2024-11-08 19:06:42,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276458598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:06:42,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309928679] [2024-11-08 19:06:42,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:42,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:06:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:06:42,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:06:42,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:06:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:42,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:06:43,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:06:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 303 proven. 18 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-08 19:06:43,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:06:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 19:06:43,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309928679] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:06:43,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 19:06:43,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-08 19:06:43,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232105669] [2024-11-08 19:06:43,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 19:06:43,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:06:43,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:06:43,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:06:43,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:06:43,642 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-08 19:06:44,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:44,426 INFO L93 Difference]: Finished difference Result 214 states and 292 transitions. [2024-11-08 19:06:44,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 19:06:44,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2024-11-08 19:06:44,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:44,430 INFO L225 Difference]: With dead ends: 214 [2024-11-08 19:06:44,430 INFO L226 Difference]: Without dead ends: 166 [2024-11-08 19:06:44,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-11-08 19:06:44,433 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 235 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:44,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 183 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:06:44,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-08 19:06:44,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 56. [2024-11-08 19:06:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2024-11-08 19:06:44,454 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 115 [2024-11-08 19:06:44,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:44,455 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 76 transitions. [2024-11-08 19:06:44,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-08 19:06:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2024-11-08 19:06:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:44,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:44,458 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:44,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:06:44,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:06:44,659 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:44,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:44,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1749858208, now seen corresponding path program 1 times [2024-11-08 19:06:44,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:06:44,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890661964] [2024-11-08 19:06:44,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:44,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:06:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:06:44,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:06:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:06:44,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:06:44,829 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:06:44,831 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:06:44,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:06:44,837 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 19:06:44,959 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:06:44,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:06:44 BoogieIcfgContainer [2024-11-08 19:06:44,967 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:06:44,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:06:44,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:06:44,968 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:06:44,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:39" (3/4) ... [2024-11-08 19:06:44,972 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:06:44,973 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:06:44,976 INFO L158 Benchmark]: Toolchain (without parser) took 6308.12ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 124.7MB in the beginning and 109.8MB in the end (delta: 14.9MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2024-11-08 19:06:44,977 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:06:44,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.86ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 110.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:06:44,978 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.80ms. Allocated memory is still 159.4MB. Free memory was 110.2MB in the beginning and 107.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:06:44,978 INFO L158 Benchmark]: Boogie Preprocessor took 53.55ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 104.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:06:44,979 INFO L158 Benchmark]: RCFGBuilder took 576.30ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 87.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:06:44,982 INFO L158 Benchmark]: TraceAbstraction took 5146.67ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 87.2MB in the beginning and 110.8MB in the end (delta: -23.7MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-08 19:06:44,982 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 213.9MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:06:44,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.86ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 110.2MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.80ms. Allocated memory is still 159.4MB. Free memory was 110.2MB in the beginning and 107.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.55ms. Allocated memory is still 159.4MB. Free memory was 107.8MB in the beginning and 104.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 576.30ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 87.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5146.67ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 87.2MB in the beginning and 110.8MB in the end (delta: -23.7MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 213.9MB. Free memory is still 109.8MB. 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 103, overapproximation of someUnaryDOUBLEoperation at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 4.8; [L23] float var_1_4 = 255.1; [L24] float var_1_5 = -0.6; [L25] signed short int var_1_6 = -10; [L26] unsigned char var_1_8 = 1; [L27] signed char var_1_11 = -2; [L28] signed char var_1_12 = 10; [L29] signed char var_1_13 = 5; [L30] signed char var_1_14 = -1; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 0; [L33] unsigned char var_1_17 = 1; [L34] unsigned char var_1_18 = 5; [L35] unsigned char var_1_19 = 64; [L36] unsigned char var_1_20 = 5; [L37] unsigned char last_1_var_1_18 = 5; VAL [isInitial=0, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_4=2551/10, var_1_6=-10, var_1_8=1] [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L100] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_4=2551/10, var_1_6=-10, var_1_8=1] [L110] RET updateLastVariables() [L111] CALL updateVariables() [L70] var_1_4 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L71] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L72] var_1_5 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L73] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=1] [L74] var_1_8 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L75] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10] [L76] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L76] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L77] var_1_12 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L78] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L79] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L80] var_1_13 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L81] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L82] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-1, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L83] var_1_14 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L84] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L85] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L86] var_1_16 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L87] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L88] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L89] var_1_17 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L90] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L91] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=64, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L92] var_1_19 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_19 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L93] RET assume_abort_if_not(var_1_19 >= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L94] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L94] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=5, var_1_6=-10, var_1_8=0] [L95] var_1_20 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L96] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_6=-10, var_1_8=0] [L97] CALL assume_abort_if_not(var_1_20 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L97] RET assume_abort_if_not(var_1_20 <= 32) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L111] RET updateVariables() [L112] CALL step() [L41] signed long int stepLocal_0 = ~ last_1_var_1_18; VAL [isInitial=1, last_1_var_1_18=5, stepLocal_0=-6, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_1=24/5, var_1_20=32, var_1_6=-10, var_1_8=0] [L42] COND TRUE last_1_var_1_18 >= stepLocal_0 [L43] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L45] unsigned char stepLocal_1 = (var_1_1 * var_1_5) >= var_1_4; VAL [isInitial=1, last_1_var_1_18=5, stepLocal_1=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=5, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L46] COND TRUE var_1_17 && stepLocal_1 [L47] var_1_18 = (2 + ((var_1_19 - var_1_20) + 32)) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L51] COND FALSE !(\read(var_1_8)) [L54] var_1_15 = (! var_1_17) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L56] COND FALSE !(\read(var_1_15)) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-10, var_1_8=0] [L59] COND FALSE !(\read(var_1_15)) [L66] var_1_6 = var_1_11 VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return (((((last_1_var_1_18 >= (~ last_1_var_1_18)) ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) && (var_1_15 ? (var_1_15 ? (var_1_6 == ((signed short int) (var_1_11 + var_1_11))) : (var_1_6 == ((signed short int) (var_1_11 + var_1_11)))) : (var_1_6 == ((signed short int) var_1_11)))) && (var_1_15 ? (var_1_11 == ((signed char) ((var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13)))) + var_1_14))) : 1)) && (var_1_8 ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) (! var_1_17))))) && ((var_1_17 && ((var_1_1 * var_1_5) >= var_1_4)) ? (var_1_18 == ((unsigned char) (2 + ((var_1_19 - var_1_20) + 32)))) : (var_1_18 == ((unsigned char) var_1_19))) ; VAL [\result=0, isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=5, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=-43, var_1_15=0, var_1_16=0, var_1_17=1, var_1_18=66, var_1_19=-8128, var_1_20=32, var_1_6=-2, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 331 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 528 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 270 mSDtfsCounter, 201 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 394 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=4, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 154 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 690 NumberOfCodeBlocks, 690 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 684 ConstructedInterpolants, 0 QuantifiedInterpolants, 1019 SizeOfPredicates, 2 NumberOfNonLiveVariables, 264 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 3618/3672 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:06:45,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/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_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/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_cc67d500-f679-4d43-8063-1d3e95a94059/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 7ec09e5648980bc5a4329f49d7e2504b195b194638f2d82967f3c7db0031611d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:06:47,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:06:48,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:06:48,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:06:48,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:06:48,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:06:48,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:06:48,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:06:48,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:06:48,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:06:48,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:06:48,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:06:48,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:06:48,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:06:48,113 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:06:48,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:06:48,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:06:48,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:06:48,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:06:48,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:06:48,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:06:48,119 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:06:48,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:06:48,120 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:06:48,120 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:06:48,120 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:06:48,121 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:06:48,121 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:06:48,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:06:48,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:06:48,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:06:48,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:06:48,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:06:48,123 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:06:48,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:06:48,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:06:48,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:06:48,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:06:48,126 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:06:48,127 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:06:48,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:06:48,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:06:48,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:06:48,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:06:48,130 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_cc67d500-f679-4d43-8063-1d3e95a94059/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ec09e5648980bc5a4329f49d7e2504b195b194638f2d82967f3c7db0031611d [2024-11-08 19:06:48,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:06:48,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:06:48,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:06:48,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:06:48,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:06:48,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i Unable to find full path for "g++" [2024-11-08 19:06:51,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:06:51,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:06:51,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i [2024-11-08 19:06:51,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data/b8f344537/cacd39229bc84afb8271888a092e8852/FLAG736342352 [2024-11-08 19:06:51,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/data/b8f344537/cacd39229bc84afb8271888a092e8852 [2024-11-08 19:06:51,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:06:51,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:06:51,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:06:51,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:06:51,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:06:51,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:06:51" (1/1) ... [2024-11-08 19:06:51,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f90094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:51, skipping insertion in model container [2024-11-08 19:06:51,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:06:51" (1/1) ... [2024-11-08 19:06:51,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:06:51,981 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_cc67d500-f679-4d43-8063-1d3e95a94059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i[913,926] [2024-11-08 19:06:52,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:06:52,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:06:52,126 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_cc67d500-f679-4d43-8063-1d3e95a94059/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-35.i[913,926] [2024-11-08 19:06:52,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:06:52,227 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:06:52,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52 WrapperNode [2024-11-08 19:06:52,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:06:52,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:06:52,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:06:52,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:06:52,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,312 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-08 19:06:52,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:06:52,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:06:52,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:06:52,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:06:52,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,350 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,370 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:06:52,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:06:52,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:06:52,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:06:52,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:06:52,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (1/1) ... [2024-11-08 19:06:52,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:06:52,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:06:52,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:06:52,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:06:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:06:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:06:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:06:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:06:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:06:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:06:52,593 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:06:52,596 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:06:53,813 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 19:06:53,816 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:06:53,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:06:53,840 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:06:53,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:53 BoogieIcfgContainer [2024-11-08 19:06:53,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:06:53,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:06:53,845 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:06:53,850 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:06:53,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:06:51" (1/3) ... [2024-11-08 19:06:53,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1547ddb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:06:53, skipping insertion in model container [2024-11-08 19:06:53,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:06:52" (2/3) ... [2024-11-08 19:06:53,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1547ddb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:06:53, skipping insertion in model container [2024-11-08 19:06:53,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:06:53" (3/3) ... [2024-11-08 19:06:53,856 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-35.i [2024-11-08 19:06:53,885 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:06:53,886 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:06:53,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:06:53,969 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;@3115bf44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:06:53,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:06:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:53,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:53,996 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:53,997 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:54,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:54,006 INFO L85 PathProgramCache]: Analyzing trace with hash -2050742750, now seen corresponding path program 1 times [2024-11-08 19:06:54,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:06:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314479305] [2024-11-08 19:06:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:54,028 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:06:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:06:54,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:06:54,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 19:06:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:54,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:06:54,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:06:54,556 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-08 19:06:54,557 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:06:54,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:06:54,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314479305] [2024-11-08 19:06:54,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314479305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:54,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:54,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:06:54,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481050501] [2024-11-08 19:06:54,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:54,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:06:54,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:06:54,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:06:54,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:06:54,618 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 19:06:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:54,657 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-08 19:06:54,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:06:54,660 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 115 [2024-11-08 19:06:54,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:54,673 INFO L225 Difference]: With dead ends: 101 [2024-11-08 19:06:54,673 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 19:06:54,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:06:54,685 INFO L432 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:54,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:06:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 19:06:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 19:06:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-08 19:06:54,756 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 115 [2024-11-08 19:06:54,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:54,757 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-08 19:06:54,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-08 19:06:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-08 19:06:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:54,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:54,762 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:54,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:06:54,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:06:54,963 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:54,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:54,964 INFO L85 PathProgramCache]: Analyzing trace with hash -475434466, now seen corresponding path program 1 times [2024-11-08 19:06:54,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:06:54,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383018819] [2024-11-08 19:06:54,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:06:54,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:06:54,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:06:54,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 19:06:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:55,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:06:55,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:06:55,410 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 19:06:55,414 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:06:55,414 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:06:55,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383018819] [2024-11-08 19:06:55,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383018819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:55,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:55,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:06:55,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277273515] [2024-11-08 19:06:55,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:55,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:06:55,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:06:55,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:06:55,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:06:55,425 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 19:06:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:56,242 INFO L93 Difference]: Finished difference Result 97 states and 143 transitions. [2024-11-08 19:06:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:06:56,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2024-11-08 19:06:56,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:56,256 INFO L225 Difference]: With dead ends: 97 [2024-11-08 19:06:56,256 INFO L226 Difference]: Without dead ends: 50 [2024-11-08 19:06:56,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:06:56,259 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:56,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:06:56,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-08 19:06:56,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-08 19:06:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-11-08 19:06:56,279 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 115 [2024-11-08 19:06:56,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:56,283 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-11-08 19:06:56,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-08 19:06:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-11-08 19:06:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:56,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:56,286 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:56,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 19:06:56,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:06:56,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:06:56,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:06:56,489 INFO L85 PathProgramCache]: Analyzing trace with hash -82407456, now seen corresponding path program 1 times [2024-11-08 19:06:56,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:06:56,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430649656] [2024-11-08 19:06:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:06:56,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:06:56,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:06:56,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:06:56,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:06:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:06:56,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:06:56,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:06:57,250 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 303 proven. 18 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-08 19:06:57,251 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:06:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-08 19:06:57,699 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:06:57,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430649656] [2024-11-08 19:06:57,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430649656] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 19:06:57,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:06:57,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-08 19:06:57,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145757007] [2024-11-08 19:06:57,701 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:06:57,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:06:57,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:06:57,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:06:57,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:06:57,704 INFO L87 Difference]: Start difference. First operand 50 states and 72 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-08 19:06:59,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:06:59,846 INFO L93 Difference]: Finished difference Result 213 states and 296 transitions. [2024-11-08 19:06:59,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 19:06:59,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 115 [2024-11-08 19:06:59,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:06:59,851 INFO L225 Difference]: With dead ends: 213 [2024-11-08 19:06:59,851 INFO L226 Difference]: Without dead ends: 166 [2024-11-08 19:06:59,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-11-08 19:06:59,854 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 123 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:06:59,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 222 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 19:06:59,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-08 19:06:59,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 56. [2024-11-08 19:06:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:06:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions. [2024-11-08 19:06:59,899 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 115 [2024-11-08 19:06:59,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:06:59,900 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 76 transitions. [2024-11-08 19:06:59,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-08 19:06:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2024-11-08 19:06:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 19:06:59,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:06:59,907 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:06:59,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 19:07:00,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:07:00,108 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:00,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:00,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1749858208, now seen corresponding path program 1 times [2024-11-08 19:07:00,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:07:00,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [124173322] [2024-11-08 19:07:00,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:00,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:07:00,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:07:00,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 19:07:00,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 19:07:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:00,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:07:00,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:07:35,102 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:07:54,054 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:10:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 281 proven. 15 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-08 19:10:09,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:17:39,353 WARN L286 SmtUtils]: Spent 24.17s on a formula simplification. DAG size of input: 136 DAG size of output: 134 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:18:13,373 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 41 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:19:32,958 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:19:32,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [124173322] [2024-11-08 19:19:32,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [124173322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:19:32,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437477417] [2024-11-08 19:19:32,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:19:32,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:19:32,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:19:32,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:19:32,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc67d500-f679-4d43-8063-1d3e95a94059/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 19:19:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:19:33,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:19:33,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:30,043 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:21:19,891 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)