./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:27,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:27,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:13:27,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:27,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:27,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:27,271 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:27,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:27,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:27,275 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:27,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:27,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:27,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:27,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:27,277 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:27,280 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:27,281 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:27,281 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:27,281 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:27,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:27,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:27,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:27,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:27,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:27,287 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:27,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:27,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:27,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:27,288 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:27,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:27,289 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:27,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:27,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:27,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:27,304 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:27,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:27,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:27,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:27,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:27,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:27,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:27,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:27,307 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_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2024-10-31 22:13:27,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:27,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:27,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:27,658 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:27,660 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:27,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i Unable to find full path for "g++" [2024-10-31 22:13:29,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:30,165 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:30,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2024-10-31 22:13:30,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data/37c139cd4/10d0b5df3bf84331905cc7413b1eb924/FLAG8a1463656 [2024-10-31 22:13:30,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data/37c139cd4/10d0b5df3bf84331905cc7413b1eb924 [2024-10-31 22:13:30,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:30,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:30,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:30,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:30,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:30,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ac32e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30, skipping insertion in model container [2024-10-31 22:13:30,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:30,504 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2024-10-31 22:13:30,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:30,585 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:30,605 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2024-10-31 22:13:30,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:30,661 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:30,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30 WrapperNode [2024-10-31 22:13:30,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:30,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:30,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:30,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:30,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,723 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-10-31 22:13:30,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:30,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:30,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:30,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:30,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,771 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:13:30,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:30,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:30,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:30,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:30,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (1/1) ... [2024-10-31 22:13:30,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:30,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:30,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:30,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:13:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:13:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:13:30,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:30,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:31,058 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:31,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:31,467 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:31,468 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:31,492 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:31,493 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:31,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:31 BoogieIcfgContainer [2024-10-31 22:13:31,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:31,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:31,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:31,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:31,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:30" (1/3) ... [2024-10-31 22:13:31,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86bc4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:31, skipping insertion in model container [2024-10-31 22:13:31,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:30" (2/3) ... [2024-10-31 22:13:31,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86bc4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:31, skipping insertion in model container [2024-10-31 22:13:31,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:31" (3/3) ... [2024-10-31 22:13:31,510 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2024-10-31 22:13:31,533 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:31,533 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:31,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:31,629 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;@31329dc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:31,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:13:31,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-31 22:13:31,651 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:31,652 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:31,653 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:31,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:31,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1324592139, now seen corresponding path program 1 times [2024-10-31 22:13:31,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:31,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233303564] [2024-10-31 22:13:31,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:31,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:13:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:13:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:13:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:13:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:13:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:13:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:13:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:13:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:13:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:13:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:13:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 22:13:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:13:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:13:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 22:13:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:13:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 22:13:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:13:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 22:13:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 22:13:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 22:13:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 22:13:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 22:13:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 22:13:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 22:13:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 22:13:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-31 22:13:32,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:32,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233303564] [2024-10-31 22:13:32,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233303564] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:32,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:32,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:32,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435945088] [2024-10-31 22:13:32,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:32,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:13:32,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:32,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:13:32,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:32,480 INFO L87 Difference]: Start difference. First operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-31 22:13:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:32,527 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2024-10-31 22:13:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:13:32,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2024-10-31 22:13:32,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:32,540 INFO L225 Difference]: With dead ends: 123 [2024-10-31 22:13:32,541 INFO L226 Difference]: Without dead ends: 61 [2024-10-31 22:13:32,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:32,552 INFO L432 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:32,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:32,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-31 22:13:32,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-31 22:13:32,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:13:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2024-10-31 22:13:32,620 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2024-10-31 22:13:32,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:32,625 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2024-10-31 22:13:32,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-31 22:13:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-10-31 22:13:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-31 22:13:32,632 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:32,633 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:32,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:13:32,633 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:32,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash -808174706, now seen corresponding path program 1 times [2024-10-31 22:13:32,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467178036] [2024-10-31 22:13:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:32,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:32,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:33,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:13:33,033 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:13:33,036 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:13:33,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:13:33,042 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:13:33,184 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:13:33,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:13:33 BoogieIcfgContainer [2024-10-31 22:13:33,188 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:13:33,189 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:33,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:33,190 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:33,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:31" (3/4) ... [2024-10-31 22:13:33,194 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:13:33,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:33,196 INFO L158 Benchmark]: Toolchain (without parser) took 2992.06ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 118.3MB in the beginning and 126.0MB in the end (delta: -7.7MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:33,197 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 120.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:33,197 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.31ms. Allocated memory is still 151.0MB. Free memory was 118.2MB in the beginning and 103.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:13:33,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.96ms. Allocated memory is still 151.0MB. Free memory was 103.0MB in the beginning and 100.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:33,198 INFO L158 Benchmark]: Boogie Preprocessor took 80.94ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 95.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:33,199 INFO L158 Benchmark]: RCFGBuilder took 687.78ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 75.8MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-31 22:13:33,200 INFO L158 Benchmark]: TraceAbstraction took 1688.49ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 74.8MB in the beginning and 127.0MB in the end (delta: -52.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:33,201 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 234.9MB. Free memory was 127.0MB in the beginning and 126.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:33,207 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 120.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.31ms. Allocated memory is still 151.0MB. Free memory was 118.2MB in the beginning and 103.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.96ms. Allocated memory is still 151.0MB. Free memory was 103.0MB in the beginning and 100.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.94ms. Allocated memory is still 151.0MB. Free memory was 100.0MB in the beginning and 95.1MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 687.78ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 75.8MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1688.49ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 74.8MB in the beginning and 127.0MB in the end (delta: -52.2MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 234.9MB. Free memory was 127.0MB in the beginning and 126.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 to_int at line 114. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 8; [L27] unsigned char var_1_9 = 128; [L28] unsigned char var_1_10 = 64; [L29] unsigned char var_1_11 = 100; [L30] unsigned char var_1_12 = 5; [L31] unsigned char var_1_13 = 100; [L32] unsigned char var_1_14 = 32; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 50; [L35] unsigned char var_1_17 = 8; [L36] unsigned char var_1_18 = 0; [L37] signed char var_1_19 = 0; [L38] signed long int var_1_20 = 255; [L39] signed long int var_1_21 = 255; [L40] unsigned short int var_1_22 = 64; [L41] signed long int var_1_23 = 32; VAL [isInitial=0, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L71] var_1_4 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_6=0, var_1_7=8, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=0, var_1_7=8, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=128] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L81] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L84] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L85] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L85] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L86] var_1_12 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L87] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L88] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L88] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L89] var_1_13 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L91] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L91] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L93] RET assume_abort_if_not(var_1_14 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L95] var_1_15 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_15 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L96] RET assume_abort_if_not(var_1_15 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L97] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L97] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L98] var_1_16 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_16 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L99] RET assume_abort_if_not(var_1_16 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L101] var_1_17 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L103] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L103] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L104] var_1_18 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L105] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L106] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L106] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L107] var_1_21 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_21 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L108] RET assume_abort_if_not(var_1_21 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L109] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L109] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L122] RET updateVariables() [L123] CALL step() [L45] COND TRUE \read(var_1_6) [L46] var_1_11 = (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))) VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L50] unsigned char stepLocal_0 = var_1_6 || var_1_4; VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L51] COND TRUE var_1_5 || stepLocal_0 [L52] var_1_19 = var_1_15 VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_18 [L56] var_1_23 = 0.010000000000000009 VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L57] COND FALSE !(var_1_20 < var_1_20) VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L60] COND TRUE var_1_20 >= var_1_20 [L61] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=8, var_1_9=-32258] [L66] COND TRUE var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20))) [L67] var_1_7 = (var_1_9 - var_1_10) VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L123] RET step() [L124] CALL, EXPR property() [L114-L115] return (((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : ((var_1_20 >= var_1_20) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_6)))) && ((var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) ? (var_1_7 == ((unsigned char) (var_1_9 - var_1_10))) : 1)) && (var_1_6 ? (var_1_11 == ((unsigned char) (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) : (var_1_11 == ((unsigned char) (((64 + var_1_14) + (var_1_15 + var_1_16)) - (var_1_17 + var_1_18)))))) && ((var_1_5 || (var_1_6 || var_1_4)) ? (var_1_19 == ((signed char) var_1_15)) : 1)) && (var_1_20 == ((signed long int) var_1_21))) && (var_1_22 == ((unsigned short int) var_1_18))) && (var_1_23 == ((signed long int) 0.010000000000000009)) ; VAL [\result=0, isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] [L19] reach_error() VAL [isInitial=1, var_1_10=127, var_1_11=253, var_1_12=126, var_1_13=125, var_1_14=-16321, var_1_15=64, var_1_16=63, var_1_17=-192, var_1_18=256, var_1_19=64, var_1_1=-256, var_1_20=0, var_1_21=0, var_1_22=0, var_1_23=-1, var_1_4=0, var_1_5=-256, var_1_6=1, var_1_7=127, var_1_9=-32258] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 89 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1300/1300 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:13:33,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:35,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:35,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:13:35,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:35,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:35,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:35,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:35,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:35,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:35,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:35,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:35,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:35,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:35,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:35,984 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:35,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:35,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:35,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:35,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:35,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:35,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:35,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:35,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:35,992 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:13:35,992 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:13:35,992 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:35,993 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:13:35,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:35,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:35,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:35,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:35,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:35,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:35,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:35,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:35,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:35,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:35,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:35,998 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:13:35,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:13:35,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:36,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:36,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:36,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:36,001 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:13:36,001 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_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2024-10-31 22:13:36,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:36,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:36,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:36,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:36,455 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:36,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i Unable to find full path for "g++" [2024-10-31 22:13:38,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:39,159 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:39,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2024-10-31 22:13:39,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data/9ab684fa7/d15a6da33c4f45458792a6bd79ec1620/FLAG983ea2e99 [2024-10-31 22:13:39,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/data/9ab684fa7/d15a6da33c4f45458792a6bd79ec1620 [2024-10-31 22:13:39,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:39,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:39,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:39,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:39,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:39,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:39,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee0a04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39, skipping insertion in model container [2024-10-31 22:13:39,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:39,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:39,760 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2024-10-31 22:13:39,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:39,856 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:39,871 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2024-10-31 22:13:39,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:39,943 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:39,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39 WrapperNode [2024-10-31 22:13:39,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:39,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:39,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:39,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:39,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:39,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,035 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-10-31 22:13:40,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:40,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:40,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:40,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:40,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,060 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,078 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:13:40,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:40,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:40,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:40,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:40,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (1/1) ... [2024-10-31 22:13:40,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:40,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:40,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:40,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:13:40,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:13:40,198 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:13:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:40,299 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:40,302 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:40,648 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:40,649 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:40,664 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:40,664 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:40,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:40 BoogieIcfgContainer [2024-10-31 22:13:40,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:40,667 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:40,668 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:40,671 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:40,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:39" (1/3) ... [2024-10-31 22:13:40,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155bdb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:40, skipping insertion in model container [2024-10-31 22:13:40,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:39" (2/3) ... [2024-10-31 22:13:40,673 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155bdb25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:40, skipping insertion in model container [2024-10-31 22:13:40,673 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:40" (3/3) ... [2024-10-31 22:13:40,675 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2024-10-31 22:13:40,702 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:40,702 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:40,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:40,792 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;@6ea9a4a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:40,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:40,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:13:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-10-31 22:13:40,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:40,818 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:40,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:40,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:40,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1324592139, now seen corresponding path program 1 times [2024-10-31 22:13:40,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:13:40,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048835628] [2024-10-31 22:13:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:40,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:40,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:13:40,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:13:40,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:13:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:41,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:13:41,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-31 22:13:41,195 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:13:41,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:13:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048835628] [2024-10-31 22:13:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048835628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:41,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:41,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:41,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099210513] [2024-10-31 22:13:41,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:41,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:13:41,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:13:41,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:13:41,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:41,247 INFO L87 Difference]: Start difference. First operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-31 22:13:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:41,295 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2024-10-31 22:13:41,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:13:41,297 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2024-10-31 22:13:41,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:41,309 INFO L225 Difference]: With dead ends: 123 [2024-10-31 22:13:41,309 INFO L226 Difference]: Without dead ends: 61 [2024-10-31 22:13:41,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:41,320 INFO L432 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:41,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:41,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-31 22:13:41,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-10-31 22:13:41,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:13:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2024-10-31 22:13:41,381 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2024-10-31 22:13:41,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:41,383 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2024-10-31 22:13:41,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-31 22:13:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2024-10-31 22:13:41,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-10-31 22:13:41,389 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:41,390 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:41,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:13:41,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:41,592 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:41,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash -808174706, now seen corresponding path program 1 times [2024-10-31 22:13:41,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:13:41,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440135488] [2024-10-31 22:13:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:41,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:13:41,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:13:41,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:13:41,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:13:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:41,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:13:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:13:41,984 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-10-31 22:13:41,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [638663396] [2024-10-31 22:13:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:41,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-10-31 22:13:41,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/cvc4 [2024-10-31 22:13:42,024 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-10-31 22:13:42,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208d6966-550d-43af-b90d-1bc59115d3f7/bin/uautomizer-verify-4GaUIPS5ZU/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-10-31 22:13:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:42,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:13:42,432 INFO L278 TraceCheckSpWp]: Computing forward predicates...