./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.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_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:25,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:25,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:03:25,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:25,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:25,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:25,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:25,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:25,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:03:25,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:03:25,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:25,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:25,383 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:25,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:25,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:03:25,386 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:03:25,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:03:25,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:03:25,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:25,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:03:25,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:03:25,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:03:25,389 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:03:25,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:25,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:25,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:25,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:25,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:03:25,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:25,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:25,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:03:25,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:03:25,395 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:03:25,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:03:25,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:03:25,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:03:25,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:03:25,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:03:25,397 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:03:25,397 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_1b1a773b-e742-4a11-8d70-acd858f75bd5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 [2023-11-06 23:03:25,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:25,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:25,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:25,801 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:25,801 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:25,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2023-11-06 23:03:29,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:29,257 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:29,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2023-11-06 23:03:29,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data/75397aa2d/c80ceea72e6e4bc292723bccfc6bca72/FLAG14bfa1775 [2023-11-06 23:03:29,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data/75397aa2d/c80ceea72e6e4bc292723bccfc6bca72 [2023-11-06 23:03:29,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:29,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:29,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:29,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:29,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:29,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b71ecbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29, skipping insertion in model container [2023-11-06 23:03:29,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:29,485 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_1b1a773b-e742-4a11-8d70-acd858f75bd5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2023-11-06 23:03:29,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:29,540 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:29,552 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_1b1a773b-e742-4a11-8d70-acd858f75bd5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2023-11-06 23:03:29,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:29,594 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:29,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29 WrapperNode [2023-11-06 23:03:29,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:29,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:29,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:29,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:29,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,651 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-06 23:03:29,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:29,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:29,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:29,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:29,663 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:29,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:29,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:29,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:29,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (1/1) ... [2023-11-06 23:03:29,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:29,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:29,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:29,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:03:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:03:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:03:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:29,926 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:29,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:30,315 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:30,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:30,323 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:30,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:30 BoogieIcfgContainer [2023-11-06 23:03:30,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:30,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:30,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:30,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:30,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:29" (1/3) ... [2023-11-06 23:03:30,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f96999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:30, skipping insertion in model container [2023-11-06 23:03:30,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:29" (2/3) ... [2023-11-06 23:03:30,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f96999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:30, skipping insertion in model container [2023-11-06 23:03:30,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:30" (3/3) ... [2023-11-06 23:03:30,335 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i [2023-11-06 23:03:30,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:30,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:03:30,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:03:30,412 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;@13d2875b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:03:30,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:03:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:03:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 23:03:30,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:30,434 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:30,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:30,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:30,441 INFO L85 PathProgramCache]: Analyzing trace with hash -572450493, now seen corresponding path program 1 times [2023-11-06 23:03:30,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:30,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454369596] [2023-11-06 23:03:30,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:30,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 23:03:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:03:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:03:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 23:03:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 23:03:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:03:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 23:03:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 23:03:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 23:03:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 23:03:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 23:03:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 23:03:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 23:03:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 23:03:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 23:03:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-06 23:03:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-06 23:03:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-06 23:03:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 23:03:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-06 23:03:30,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:30,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454369596] [2023-11-06 23:03:30,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454369596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:30,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:30,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:03:30,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667306504] [2023-11-06 23:03:30,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:30,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:03:30,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:30,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:03:30,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:30,999 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:03:31,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:31,038 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2023-11-06 23:03:31,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:03:31,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-06 23:03:31,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:31,049 INFO L225 Difference]: With dead ends: 105 [2023-11-06 23:03:31,050 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 23:03:31,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 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 23:03:31,061 INFO L413 NwaCegarLoop]: 76 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, 76 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 23:03:31,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:31,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 23:03:31,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 23:03:31,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:03:31,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2023-11-06 23:03:31,109 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 117 [2023-11-06 23:03:31,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:31,109 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2023-11-06 23:03:31,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:03:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2023-11-06 23:03:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 23:03:31,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:31,114 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:31,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:03:31,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:31,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:31,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1091258423, now seen corresponding path program 1 times [2023-11-06 23:03:31,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:31,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162811866] [2023-11-06 23:03:31,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:31,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:31,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:31,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:03:31,663 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:03:31,665 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:03:31,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:03:31,672 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 23:03:31,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:03:31,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:03:31 BoogieIcfgContainer [2023-11-06 23:03:31,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:03:31,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:03:31,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:03:31,820 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:03:31,821 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:30" (3/4) ... [2023-11-06 23:03:31,825 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:03:31,826 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:03:31,827 INFO L158 Benchmark]: Toolchain (without parser) took 2537.46ms. Allocated memory is still 197.1MB. Free memory was 152.1MB in the beginning and 110.5MB in the end (delta: 41.6MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2023-11-06 23:03:31,828 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:03:31,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.21ms. Allocated memory is still 197.1MB. Free memory was 151.6MB in the beginning and 139.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:03:31,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.88ms. Allocated memory is still 197.1MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:31,836 INFO L158 Benchmark]: Boogie Preprocessor took 32.52ms. Allocated memory is still 197.1MB. Free memory was 137.5MB in the beginning and 135.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:31,837 INFO L158 Benchmark]: RCFGBuilder took 640.16ms. Allocated memory is still 197.1MB. Free memory was 135.9MB in the beginning and 121.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:03:31,838 INFO L158 Benchmark]: TraceAbstraction took 1490.50ms. Allocated memory is still 197.1MB. Free memory was 120.7MB in the beginning and 111.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:31,838 INFO L158 Benchmark]: Witness Printer took 6.76ms. Allocated memory is still 197.1MB. Free memory was 111.6MB in the beginning and 110.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:31,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.21ms. Allocated memory is still 197.1MB. Free memory was 151.6MB in the beginning and 139.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.88ms. Allocated memory is still 197.1MB. Free memory was 139.6MB in the beginning and 137.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.52ms. Allocated memory is still 197.1MB. Free memory was 137.5MB in the beginning and 135.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.16ms. Allocated memory is still 197.1MB. Free memory was 135.9MB in the beginning and 121.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1490.50ms. Allocated memory is still 197.1MB. Free memory was 120.7MB in the beginning and 111.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Witness Printer took 6.76ms. Allocated memory is still 197.1MB. Free memory was 111.6MB in the beginning and 110.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 94. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int var_1_2 = 16; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 25; [L26] float var_1_6 = 999.7; [L27] float var_1_8 = 9.75; [L28] float var_1_9 = 1.75; [L29] unsigned long int var_1_10 = 16; [L30] unsigned long int var_1_11 = 1277342739; [L31] unsigned long int var_1_12 = 1394088949; [L32] unsigned long int var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_17 = 0; [L35] unsigned char var_1_18 = 0; [L36] float var_1_19 = 10.5; [L37] float var_1_20 = 4.47; [L38] unsigned char var_1_21 = 1; [L39] unsigned char var_1_22 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L98] isInitial = 1 [L99] FCALL initially() [L100] int k_loop; [L101] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L101] COND TRUE k_loop < 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_ulong() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L62] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=64, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L63] var_1_3 = __VERIFIER_nondet_ulong() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L65] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=9997/10, var_1_8=39/4, var_1_9=7/4] [L66] var_1_6 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=39/4, var_1_9=7/4] [L67] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=39/4, var_1_9=7/4] [L68] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=39/4, var_1_9=7/4] [L68] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=39/4, var_1_9=7/4] [L69] var_1_8 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=7/4] [L70] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=7/4] [L71] var_1_9 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L72] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L73] var_1_11 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L74] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L75] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L75] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L76] var_1_12 = __VERIFIER_nondet_ulong() [L77] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L77] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L78] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L78] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L79] var_1_13 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L81] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L81] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L82] var_1_17 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L83] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L84] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L84] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=447/100, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L85] var_1_20 = __VERIFIER_nondet_float() [L86] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L86] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L87] var_1_22 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L88] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L89] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L89] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=21/2, var_1_1=0, var_1_20=2147483655, var_1_21=1, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L103] RET updateVariables() [L104] CALL step() [L43] var_1_1 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) [L44] var_1_10 = ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13)))) [L45] var_1_18 = var_1_17 [L46] var_1_19 = var_1_20 [L47] var_1_21 = var_1_22 VAL [isInitial=1, var_1_10=3221225470, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=1, var_1_19=2147483655, var_1_1=3221225470, var_1_20=2147483655, var_1_21=0, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=25, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L48] COND TRUE (var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9)) [L49] var_1_4 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=3221225470, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=1, var_1_19=2147483655, var_1_1=3221225470, var_1_20=2147483655, var_1_21=0, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=3221225470, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L51] COND FALSE !(\read(var_1_21)) VAL [isInitial=1, var_1_10=3221225470, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=1, var_1_19=2147483655, var_1_1=3221225470, var_1_20=2147483655, var_1_21=0, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=3221225470, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L104] RET step() [L105] CALL, EXPR property() [L94-L95] return ((((((var_1_1 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) && (((var_1_19 / var_1_6) <= (var_1_19 + (var_1_8 - var_1_9))) ? (var_1_4 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1)) && (var_1_10 == ((unsigned long int) ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13))))))) && (var_1_21 ? ((! ((var_1_19 / var_1_6) < (var_1_8 - var_1_9))) ? (var_1_21 ? (var_1_14 == ((unsigned char) (! var_1_17))) : 1) : 1) : 1)) && (var_1_18 == ((unsigned char) var_1_17))) && (var_1_19 == ((float) var_1_20))) && (var_1_21 == ((unsigned char) var_1_22)) ; VAL [\result=0, isInitial=1, var_1_10=3221225470, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=1, var_1_19=2147483655, var_1_1=3221225470, var_1_20=2147483655, var_1_21=0, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=3221225470, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3221225470, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=1, var_1_19=2147483655, var_1_1=3221225470, var_1_20=2147483655, var_1_21=0, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=3221225470, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3221225470, var_1_11=1073741823, var_1_12=2147483647, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=1, var_1_19=2147483655, var_1_1=3221225470, var_1_20=2147483655, var_1_21=0, var_1_22=0, var_1_2=3221225470, var_1_3=3221225470, var_1_4=3221225470, var_1_6=2147483653, var_1_8=2147483654, var_1_9=2147483652] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 76 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 684/684 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 23:03:31,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:34,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:34,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:03:34,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:34,759 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:34,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:34,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:34,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:34,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:03:34,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:03:34,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:34,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:34,792 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:34,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:34,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:03:34,796 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:03:34,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:03:34,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:34,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:03:34,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:03:34,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:03:34,804 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:03:34,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:03:34,805 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:03:34,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:03:34,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:34,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:34,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:34,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:34,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:03:34,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:34,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:34,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:03:34,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:03:34,811 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:03:34,811 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:03:34,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:03:34,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:03:34,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:03:34,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:03:34,813 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:03:34,814 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:03:34,814 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_1b1a773b-e742-4a11-8d70-acd858f75bd5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8de2df2af1045ea71cd943d6852e7d3ebdac09a5c57d05056a0555f6e5e1d438 [2023-11-06 23:03:35,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:35,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:35,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:35,253 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:35,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:35,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2023-11-06 23:03:38,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:38,716 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:38,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i [2023-11-06 23:03:38,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data/267061291/ff08c7a319554a178a87596cfedbce18/FLAG6c7f2736e [2023-11-06 23:03:38,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/data/267061291/ff08c7a319554a178a87596cfedbce18 [2023-11-06 23:03:38,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:38,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:38,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:38,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:38,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:38,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:38" (1/1) ... [2023-11-06 23:03:38,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b37872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:38, skipping insertion in model container [2023-11-06 23:03:38,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:38" (1/1) ... [2023-11-06 23:03:38,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:38,969 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_1b1a773b-e742-4a11-8d70-acd858f75bd5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2023-11-06 23:03:39,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:39,035 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:39,049 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_1b1a773b-e742-4a11-8d70-acd858f75bd5/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-23.i[915,928] [2023-11-06 23:03:39,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:39,091 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:39,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39 WrapperNode [2023-11-06 23:03:39,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:39,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:39,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:39,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:39,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,211 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-06 23:03:39,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:39,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:39,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:39,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:39,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,247 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:39,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:39,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:39,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:39,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (1/1) ... [2023-11-06 23:03:39,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:39,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:39,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:39,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:03:39,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:03:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:03:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:39,487 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:39,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:49,765 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:49,772 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:49,773 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:49,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:49 BoogieIcfgContainer [2023-11-06 23:03:49,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:49,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:49,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:49,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:49,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:38" (1/3) ... [2023-11-06 23:03:49,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39540b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:49, skipping insertion in model container [2023-11-06 23:03:49,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:39" (2/3) ... [2023-11-06 23:03:49,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39540b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:49, skipping insertion in model container [2023-11-06 23:03:49,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:49" (3/3) ... [2023-11-06 23:03:49,787 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-23.i [2023-11-06 23:03:49,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:49,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:03:49,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:03:49,858 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;@6d5904ef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:03:49,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:03:49,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:03:49,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 23:03:49,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:49,883 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:49,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:49,890 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:49,891 INFO L85 PathProgramCache]: Analyzing trace with hash -572450493, now seen corresponding path program 1 times [2023-11-06 23:03:49,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:49,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049088298] [2023-11-06 23:03:49,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:49,907 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 23:03:49,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:49,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 23:03:49,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 23:03:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:50,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:03:50,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:50,718 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2023-11-06 23:03:50,718 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:50,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:50,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049088298] [2023-11-06 23:03:50,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049088298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:50,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:50,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:03:50,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716110542] [2023-11-06 23:03:50,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:50,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:03:50,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:50,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:03:50,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:50,771 INFO L87 Difference]: Start difference. First operand has 54 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:03:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:50,815 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2023-11-06 23:03:50,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:03:50,818 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 117 [2023-11-06 23:03:50,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:50,828 INFO L225 Difference]: With dead ends: 105 [2023-11-06 23:03:50,828 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 23:03:50,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 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 23:03:50,836 INFO L413 NwaCegarLoop]: 76 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, 76 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 23:03:50,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:50,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 23:03:50,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 23:03:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 23:03:50,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2023-11-06 23:03:50,918 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 117 [2023-11-06 23:03:50,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:50,919 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2023-11-06 23:03:50,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 23:03:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2023-11-06 23:03:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 23:03:50,927 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:50,928 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:50,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 23:03:51,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 23:03:51,160 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:51,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:51,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1091258423, now seen corresponding path program 1 times [2023-11-06 23:03:51,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:51,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032054158] [2023-11-06 23:03:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:51,162 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 23:03:51,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:51,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 23:03:51,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1a773b-e742-4a11-8d70-acd858f75bd5/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 23:03:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:51,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 23:03:51,705 INFO L285 TraceCheckSpWp]: Computing forward predicates...