./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:18:45,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:18:45,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:18:45,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:18:45,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:18:45,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:18:45,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:18:45,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:18:45,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:18:45,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:18:45,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:18:45,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:18:45,324 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:18:45,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:18:45,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:18:45,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:18:45,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:18:45,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:18:45,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:18:45,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:18:45,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:18:45,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:18:45,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:18:45,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:18:45,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:18:45,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:18:45,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:18:45,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:18:45,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:18:45,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:18:45,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:18:45,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:18:45,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:18:45,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:18:45,336 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:18:45,336 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:18:45,336 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:18:45,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:18:45,337 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:18:45,337 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_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c [2023-11-06 22:18:45,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:18:45,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:18:45,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:18:45,685 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:18:45,686 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:18:45,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2023-11-06 22:18:48,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:18:48,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:18:48,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2023-11-06 22:18:49,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data/12cd1c0f1/a699807f7e0f4e81bc790da363519cca/FLAG88ba0652e [2023-11-06 22:18:49,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data/12cd1c0f1/a699807f7e0f4e81bc790da363519cca [2023-11-06 22:18:49,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:18:49,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:18:49,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:18:49,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:18:49,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:18:49,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c44af82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49, skipping insertion in model container [2023-11-06 22:18:49,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:18:49,301 WARN L240 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_99d467f3-b81e-4e23-ba84-1c41cb2239ad/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2023-11-06 22:18:49,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:18:49,396 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:18:49,420 WARN L240 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_99d467f3-b81e-4e23-ba84-1c41cb2239ad/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2023-11-06 22:18:49,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:18:49,476 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:18:49,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49 WrapperNode [2023-11-06 22:18:49,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:18:49,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:18:49,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:18:49,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:18:49,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,575 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2023-11-06 22:18:49,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:18:49,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:18:49,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:18:49,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:18:49,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:18:49,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:18:49,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:18:49,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:18:49,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (1/1) ... [2023-11-06 22:18:49,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:18:49,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:49,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:18:49,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:18:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:18:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:18:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:18:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:18:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:18:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:18:49,878 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:18:49,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:18:50,305 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:18:50,312 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:18:50,313 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:18:50,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:50 BoogieIcfgContainer [2023-11-06 22:18:50,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:18:50,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:18:50,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:18:50,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:18:50,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:18:49" (1/3) ... [2023-11-06 22:18:50,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749b2e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:50, skipping insertion in model container [2023-11-06 22:18:50,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:49" (2/3) ... [2023-11-06 22:18:50,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749b2e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:50, skipping insertion in model container [2023-11-06 22:18:50,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:50" (3/3) ... [2023-11-06 22:18:50,326 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-8.i [2023-11-06 22:18:50,348 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:18:50,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:18:50,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:18:50,411 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4b4f6c3e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:18:50,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:18:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:18:50,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:18:50,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:50,435 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:50,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:50,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:50,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1152050323, now seen corresponding path program 1 times [2023-11-06 22:18:50,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:50,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707003322] [2023-11-06 22:18:50,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:50,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:50,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:50,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707003322] [2023-11-06 22:18:50,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:18:50,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371145436] [2023-11-06 22:18:50,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:50,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:50,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:50,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:50,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:18:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:50,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:18:50,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-06 22:18:51,043 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:18:51,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371145436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:18:51,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:18:51,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:18:51,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710956201] [2023-11-06 22:18:51,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:18:51,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:18:51,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:51,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:18:51,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:18:51,088 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:18:51,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:51,122 INFO L93 Difference]: Finished difference Result 125 states and 223 transitions. [2023-11-06 22:18:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:18:51,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2023-11-06 22:18:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:51,133 INFO L225 Difference]: With dead ends: 125 [2023-11-06 22:18:51,134 INFO L226 Difference]: Without dead ends: 62 [2023-11-06 22:18:51,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:18:51,142 INFO L413 NwaCegarLoop]: 95 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, 95 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 [2023-11-06 22:18:51,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:18:51,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-06 22:18:51,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-06 22:18:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:18:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2023-11-06 22:18:51,199 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 143 [2023-11-06 22:18:51,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:51,200 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2023-11-06 22:18:51,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:18:51,201 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2023-11-06 22:18:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:18:51,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:51,206 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:51,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:51,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:18:51,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:51,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:51,414 INFO L85 PathProgramCache]: Analyzing trace with hash -144105689, now seen corresponding path program 1 times [2023-11-06 22:18:51,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:51,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599473702] [2023-11-06 22:18:51,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:51,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:51,536 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140360029] [2023-11-06 22:18:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:51,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:51,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:51,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:51,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:18:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:18:51,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-06 22:18:51,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:18:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 169 proven. 39 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-06 22:18:52,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:18:52,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2023-11-06 22:18:52,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:18:52,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599473702] [2023-11-06 22:18:52,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:18:52,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140360029] [2023-11-06 22:18:52,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140360029] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:18:52,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:18:52,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2023-11-06 22:18:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824717788] [2023-11-06 22:18:52,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:18:52,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-06 22:18:52,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:18:52,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-06 22:18:52,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:18:52,966 INFO L87 Difference]: Start difference. First operand 62 states and 95 transitions. Second operand has 20 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 18 states have internal predecessors, (69), 4 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 22:18:57,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:18:57,628 INFO L93 Difference]: Finished difference Result 747 states and 1104 transitions. [2023-11-06 22:18:57,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2023-11-06 22:18:57,629 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 18 states have internal predecessors, (69), 4 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) Word has length 143 [2023-11-06 22:18:57,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:18:57,640 INFO L225 Difference]: With dead ends: 747 [2023-11-06 22:18:57,640 INFO L226 Difference]: Without dead ends: 688 [2023-11-06 22:18:57,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3122 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2218, Invalid=6338, Unknown=0, NotChecked=0, Total=8556 [2023-11-06 22:18:57,647 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 733 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 623 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:18:57,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 1084 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [623 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-06 22:18:57,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2023-11-06 22:18:57,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 252. [2023-11-06 22:18:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 151 states have (on average 1.3112582781456954) internal successors, (198), 151 states have internal predecessors, (198), 92 states have call successors, (92), 8 states have call predecessors, (92), 8 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-11-06 22:18:57,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 382 transitions. [2023-11-06 22:18:57,761 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 382 transitions. Word has length 143 [2023-11-06 22:18:57,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:18:57,763 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 382 transitions. [2023-11-06 22:18:57,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.6315789473684212) internal successors, (69), 18 states have internal predecessors, (69), 4 states have call successors, (46), 3 states have call predecessors, (46), 6 states have return successors, (46), 6 states have call predecessors, (46), 4 states have call successors, (46) [2023-11-06 22:18:57,763 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 382 transitions. [2023-11-06 22:18:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:18:57,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:18:57,767 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:18:57,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:57,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:57,973 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:18:57,974 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:18:57,974 INFO L85 PathProgramCache]: Analyzing trace with hash -86847387, now seen corresponding path program 1 times [2023-11-06 22:18:57,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:18:57,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633148137] [2023-11-06 22:18:57,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:57,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:18:58,047 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:18:58,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095938546] [2023-11-06 22:18:58,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:18:58,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:58,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:18:58,059 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:18:58,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:18:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:18:58,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:18:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:18:58,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:18:58,448 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:18:58,449 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:18:58,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:18:58,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:18:58,661 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:18:58,665 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:18:58,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:18:58 BoogieIcfgContainer [2023-11-06 22:18:58,826 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:18:58,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:18:58,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:18:58,827 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:18:58,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:50" (3/4) ... [2023-11-06 22:18:58,830 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:18:58,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:18:58,837 INFO L158 Benchmark]: Toolchain (without parser) took 9799.70ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 86.6MB in the beginning and 179.8MB in the end (delta: -93.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:18:58,840 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:18:58,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.54ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 72.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:18:58,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.68ms. Allocated memory is still 132.1MB. Free memory was 72.2MB in the beginning and 68.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:18:58,843 INFO L158 Benchmark]: Boogie Preprocessor took 60.47ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:18:58,843 INFO L158 Benchmark]: RCFGBuilder took 676.29ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 65.6MB in the beginning and 134.3MB in the end (delta: -68.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-06 22:18:58,846 INFO L158 Benchmark]: TraceAbstraction took 8507.54ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 133.1MB in the beginning and 179.8MB in the end (delta: -46.6MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2023-11-06 22:18:58,846 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 218.1MB. Free memory is still 179.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:18:58,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 106.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.54ms. Allocated memory is still 132.1MB. Free memory was 86.2MB in the beginning and 72.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.68ms. Allocated memory is still 132.1MB. Free memory was 72.2MB in the beginning and 68.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.47ms. Allocated memory is still 132.1MB. Free memory was 68.0MB in the beginning and 65.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.29ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 65.6MB in the beginning and 134.3MB in the end (delta: -68.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8507.54ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 133.1MB in the beginning and 179.8MB in the end (delta: -46.6MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 218.1MB. Free memory is still 179.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 999999999.675; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] unsigned long int var_1_9 = 1; [L28] double var_1_10 = 63.25; [L29] unsigned char var_1_11 = 0; [L30] unsigned short int var_1_13 = 0; [L31] unsigned short int var_1_15 = 17766; [L32] unsigned short int var_1_16 = 28149; [L33] unsigned char var_1_19 = 4; [L34] unsigned char var_1_20 = 50; [L35] unsigned char var_1_21 = 64; [L36] unsigned char var_1_22 = 50; [L37] unsigned char var_1_23 = 5; [L38] unsigned char var_1_24 = 128; [L39] signed long int var_1_25 = -16; [L40] unsigned char var_1_26 = 0; [L41] unsigned short int last_1_var_1_13 = 0; VAL [isInitial=0, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-5, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L127] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-5, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L94] var_1_5 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L95] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L96] var_1_6 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L97] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L98] var_1_10 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L99] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L100] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L101] var_1_11 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L102] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L103] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L104] var_1_15 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L105] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L106] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L107] var_1_16 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L108] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L109] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L110] var_1_20 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_20 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L111] RET assume_abort_if_not(var_1_20 >= 32) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L112] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_21 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L114] RET assume_abort_if_not(var_1_21 >= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L115] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L116] var_1_22 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L117] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L118] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L119] var_1_23 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L120] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L121] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L122] var_1_24 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L123] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L124] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_1=39999999987/40, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L138] RET updateVariables() [L139] CALL step() [L45] COND TRUE last_1_var_1_13 == (last_1_var_1_13 % var_1_4) [L46] var_1_1 = (var_1_5 - var_1_6) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=4, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L48] COND FALSE !(var_1_10 == var_1_1) [L55] var_1_19 = var_1_24 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L57] COND FALSE !(var_1_19 < (var_1_21 / var_1_20)) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=-2, var_1_9=1] [L64] COND TRUE var_1_1 >= var_1_6 [L65] var_1_7 = var_1_19 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=127, var_1_9=1] [L67] COND FALSE !(((var_1_6 * var_1_5) / var_1_10) > var_1_1) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=127, var_1_9=1] [L74] COND FALSE !(var_1_7 < var_1_9) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=-16, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=127, var_1_9=1] [L77] COND FALSE !((25.3 * var_1_5) != var_1_1) [L86] var_1_25 = var_1_20 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=32, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=127, var_1_9=1] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return (((((((last_1_var_1_13 == (last_1_var_1_13 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((var_1_1 >= var_1_6) ? (var_1_7 == ((signed long int) var_1_19)) : 1)) && ((((var_1_6 * var_1_5) / var_1_10) > var_1_1) ? (var_1_11 ? (var_1_9 == ((unsigned long int) var_1_26)) : (var_1_9 == ((unsigned long int) var_1_26))) : 1)) && ((var_1_7 < var_1_9) ? (var_1_13 == ((unsigned short int) (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))))) : 1)) && ((var_1_10 == var_1_1) ? (var_1_11 ? (var_1_19 == ((unsigned char) (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)))) : (var_1_19 == ((unsigned char) (var_1_24 - var_1_23)))) : (var_1_19 == ((unsigned char) var_1_24)))) && (((25.3 * var_1_5) != var_1_1) ? (var_1_11 ? ((var_1_15 <= var_1_13) ? (var_1_25 == ((signed long int) var_1_26)) : 1) : (var_1_25 == ((signed long int) var_1_22))) : (var_1_25 == ((signed long int) var_1_20)))) && ((var_1_19 < (var_1_21 / var_1_20)) ? ((var_1_19 > var_1_19) ? (var_1_26 == ((unsigned char) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (var_1_23)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (var_1_23))))) : (var_1_26 == ((unsigned char) var_1_22))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=32, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=127, var_1_9=1] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=32, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=127, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=4, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=32767, var_1_19=127, var_1_20=32, var_1_21=64, var_1_22=1, var_1_23=0, var_1_24=127, var_1_25=32, var_1_26=0, var_1_4=1, var_1_5=2, var_1_6=3, var_1_7=127, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 779 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 733 mSDsluCounter, 1179 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 976 mSDsCounter, 623 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1665 IncrementalHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 623 mSolverCounterUnsat, 203 mSDtfsCounter, 1665 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 517 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3122 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=2, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 436 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 572 NumberOfCodeBlocks, 572 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 426 ConstructedInterpolants, 0 QuantifiedInterpolants, 1166 SizeOfPredicates, 9 NumberOfNonLiveVariables, 658 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2994/3036 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 [2023-11-06 22:18:58,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:19:01,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:19:01,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:19:01,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:19:01,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:19:01,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:19:01,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:19:01,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:19:01,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:19:01,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:19:01,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:19:01,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:19:01,798 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:19:01,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:19:01,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:19:01,801 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:19:01,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:19:01,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:19:01,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:19:01,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:19:01,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:19:01,805 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:19:01,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:19:01,806 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:19:01,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:19:01,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:19:01,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:19:01,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:19:01,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:19:01,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:19:01,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:01,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:19:01,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:19:01,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:19:01,812 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:19:01,812 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:19:01,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:19:01,813 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:19:01,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:19:01,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:19:01,815 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:19:01,815 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:19:01,816 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_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c [2023-11-06 22:19:02,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:19:02,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:19:02,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:19:02,297 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:19:02,297 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:19:02,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2023-11-06 22:19:05,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:19:05,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:19:05,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2023-11-06 22:19:05,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data/4a0c88f57/a84562b8885d4dafa96b9b4d2fc3556d/FLAG17824642a [2023-11-06 22:19:05,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/data/4a0c88f57/a84562b8885d4dafa96b9b4d2fc3556d [2023-11-06 22:19:05,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:19:05,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:19:05,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:05,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:19:05,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:19:05,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:05" (1/1) ... [2023-11-06 22:19:05,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71495d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:05, skipping insertion in model container [2023-11-06 22:19:05,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:19:05" (1/1) ... [2023-11-06 22:19:05,900 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:19:06,101 WARN L240 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_99d467f3-b81e-4e23-ba84-1c41cb2239ad/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2023-11-06 22:19:06,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:06,220 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:19:06,240 WARN L240 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_99d467f3-b81e-4e23-ba84-1c41cb2239ad/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2023-11-06 22:19:06,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:19:06,307 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:19:06,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06 WrapperNode [2023-11-06 22:19:06,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:19:06,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:06,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:19:06,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:19:06,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,367 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-06 22:19:06,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:19:06,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:19:06,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:19:06,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:19:06,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:19:06,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:19:06,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:19:06,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:19:06,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (1/1) ... [2023-11-06 22:19:06,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:19:06,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:19:06,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:19:06,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:19:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:19:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:19:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:19:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:19:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:19:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:19:06,611 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:19:06,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:19:18,815 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:19:18,823 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:19:18,824 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:19:18,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:18 BoogieIcfgContainer [2023-11-06 22:19:18,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:19:18,829 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:19:18,829 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:19:18,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:19:18,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:19:05" (1/3) ... [2023-11-06 22:19:18,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf5a225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:18, skipping insertion in model container [2023-11-06 22:19:18,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:19:06" (2/3) ... [2023-11-06 22:19:18,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf5a225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:19:18, skipping insertion in model container [2023-11-06 22:19:18,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:19:18" (3/3) ... [2023-11-06 22:19:18,837 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-8.i [2023-11-06 22:19:18,856 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:19:18,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:19:18,903 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:19:18,912 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5c4b0d87, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:19:18,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:19:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:19:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:19:18,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:18,944 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:18,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:18,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1152050323, now seen corresponding path program 1 times [2023-11-06 22:19:18,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:19:18,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594838227] [2023-11-06 22:19:18,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:18,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:19:18,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:19:18,971 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:19:18,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:20,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:19:20,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2023-11-06 22:19:20,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:19:20,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:19:20,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594838227] [2023-11-06 22:19:20,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594838227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:19:20,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:19:20,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:19:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813328172] [2023-11-06 22:19:20,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:19:20,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:19:20,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:19:20,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:19:20,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:20,574 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:19:20,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:19:20,608 INFO L93 Difference]: Finished difference Result 125 states and 223 transitions. [2023-11-06 22:19:20,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:19:20,616 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2023-11-06 22:19:20,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:19:20,625 INFO L225 Difference]: With dead ends: 125 [2023-11-06 22:19:20,627 INFO L226 Difference]: Without dead ends: 62 [2023-11-06 22:19:20,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:19:20,638 INFO L413 NwaCegarLoop]: 95 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, 95 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 [2023-11-06 22:19:20,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:19:20,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-06 22:19:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-06 22:19:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-06 22:19:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2023-11-06 22:19:20,716 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 143 [2023-11-06 22:19:20,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:19:20,717 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2023-11-06 22:19:20,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:19:20,717 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2023-11-06 22:19:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:19:20,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:19:20,722 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:19:20,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:19:20,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:20,923 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:19:20,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:19:20,924 INFO L85 PathProgramCache]: Analyzing trace with hash -144105689, now seen corresponding path program 1 times [2023-11-06 22:19:20,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:19:20,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183809754] [2023-11-06 22:19:20,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:20,937 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 [2023-11-06 22:19:20,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:19:20,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:19:20,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:19:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:22,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:19:22,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-06 22:19:26,924 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:27,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:19:27,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183809754] [2023-11-06 22:19:27,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183809754] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:19:27,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2123113332] [2023-11-06 22:19:27,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:19:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:19:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:19:27,979 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:19:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 22:19:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:19:29,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:19:29,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:19:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-06 22:19:33,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:19:34,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2123113332] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:19:34,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:19:34,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-11-06 22:19:34,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779893725] [2023-11-06 22:19:34,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:19:34,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:19:34,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:19:34,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:19:34,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:19:34,010 INFO L87 Difference]: Start difference. First operand 62 states and 95 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:19:42,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:19:44,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:19:46,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:19:48,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:19:50,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:19:52,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:19:54,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:19:56,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:19:58,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:00,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:02,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:04,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:20:06,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:08,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:10,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:12,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:14,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:20:17,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:20:29,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:20:31,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:20:33,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:20:35,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:20:39,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:20:39,107 INFO L93 Difference]: Finished difference Result 381 states and 575 transitions. [2023-11-06 22:20:39,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:20:39,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2023-11-06 22:20:39,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:20:39,117 INFO L225 Difference]: With dead ends: 381 [2023-11-06 22:20:39,118 INFO L226 Difference]: Without dead ends: 322 [2023-11-06 22:20:39,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=323, Invalid=867, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 22:20:39,122 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 282 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 186 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:20:39,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 515 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 525 Invalid, 22 Unknown, 0 Unchecked, 59.1s Time] [2023-11-06 22:20:39,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-11-06 22:20:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 188. [2023-11-06 22:20:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 113 states have internal predecessors, (150), 69 states have call successors, (69), 5 states have call predecessors, (69), 5 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2023-11-06 22:20:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 288 transitions. [2023-11-06 22:20:39,204 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 288 transitions. Word has length 143 [2023-11-06 22:20:39,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:20:39,205 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 288 transitions. [2023-11-06 22:20:39,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:20:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 288 transitions. [2023-11-06 22:20:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-06 22:20:39,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:20:39,209 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:20:39,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:20:39,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-06 22:20:39,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:20:39,624 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:20:39,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:20:39,624 INFO L85 PathProgramCache]: Analyzing trace with hash -86847387, now seen corresponding path program 1 times [2023-11-06 22:20:39,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:20:39,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871345230] [2023-11-06 22:20:39,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:20:39,626 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 [2023-11-06 22:20:39,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:20:39,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:20:39,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:20:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:20:41,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:20:41,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:10,775 WARN L293 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:21:16,841 WARN L293 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:21:22,807 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:21:29,092 WARN L293 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:21:35,494 WARN L293 SmtUtils]: Spent 6.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:21:46,486 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:21:48,916 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from false [2023-11-06 22:21:51,378 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from true [2023-11-06 22:21:57,226 WARN L293 SmtUtils]: Spent 5.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:22:03,342 WARN L293 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:22:09,450 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:22:15,730 WARN L293 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:22:21,827 WARN L293 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:22:32,990 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:22:39,154 WARN L293 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:22:41,595 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (bvult c_~var_1_7~0 c_~var_1_9~0)) (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from false [2023-11-06 22:22:44,111 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (bvult c_~var_1_7~0 c_~var_1_9~0)) (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from true [2023-11-06 22:22:46,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:22:46,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1871345230] [2023-11-06 22:22:46,125 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-06 22:22:46,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-06 22:22:46,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:22:46,326 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 29523 column 7: push canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:226) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:359) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:343) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:441) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-06 22:22:46,330 INFO L158 Benchmark]: Toolchain (without parser) took 220492.44ms. Allocated memory is still 98.6MB. Free memory was 74.2MB in the beginning and 43.5MB in the end (delta: 30.7MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-11-06 22:22:46,330 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:22:46,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.23ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 60.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:22:46,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.60ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 57.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:22:46,332 INFO L158 Benchmark]: Boogie Preprocessor took 42.66ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 55.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:22:46,332 INFO L158 Benchmark]: RCFGBuilder took 12414.90ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 64.9MB in the end (delta: -9.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-06 22:22:46,332 INFO L158 Benchmark]: TraceAbstraction took 207500.50ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 43.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-06 22:22:46,335 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 43.0MB in the beginning and 42.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.23ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 60.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.60ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 57.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.66ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 55.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12414.90ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 64.9MB in the end (delta: -9.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 207500.50ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 43.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 29523 column 7: push canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 29523 column 7: push canceled: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-06 22:22:46,554 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 22:22:46,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99d467f3-b81e-4e23-ba84-1c41cb2239ad/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 29523 column 7: push canceled