./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:40,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:40,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:04:40,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:40,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:40,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:40,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:40,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:40,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:40,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:40,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:40,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:40,301 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:40,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:40,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:40,304 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:40,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:04:40,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:40,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:40,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:40,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:40,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:40,307 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:40,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:40,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:40,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:40,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:40,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:40,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:40,311 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:40,311 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:40,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:40,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:04:40,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:04:40,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:40,313 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:40,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:40,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:40,314 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:40,315 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_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d [2023-11-12 02:04:40,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:40,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:40,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:40,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:40,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:40,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2023-11-12 02:04:43,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:44,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:44,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2023-11-12 02:04:44,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data/82ee49a83/90c37076067c44afb63f46ed60710a37/FLAG9827ef1a6 [2023-11-12 02:04:44,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data/82ee49a83/90c37076067c44afb63f46ed60710a37 [2023-11-12 02:04:44,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:44,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:44,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:44,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:44,071 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:44,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fd6418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44, skipping insertion in model container [2023-11-12 02:04:44,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:44,272 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_07f3808f-57ea-4c19-9a4e-400037b07de4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2023-11-12 02:04:44,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:44,345 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:44,357 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_07f3808f-57ea-4c19-9a4e-400037b07de4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2023-11-12 02:04:44,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:44,401 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:44,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44 WrapperNode [2023-11-12 02:04:44,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:44,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:44,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:44,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:44,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,455 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-11-12 02:04:44,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:44,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:44,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:44,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:44,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:44,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:44,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:44,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:44,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (1/1) ... [2023-11-12 02:04:44,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:44,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:44,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:44,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:04:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:44,716 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:44,720 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:45,192 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:45,199 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:45,199 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:45,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:45 BoogieIcfgContainer [2023-11-12 02:04:45,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:45,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:45,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:45,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:45,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:44" (1/3) ... [2023-11-12 02:04:45,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1655b89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:45, skipping insertion in model container [2023-11-12 02:04:45,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:44" (2/3) ... [2023-11-12 02:04:45,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1655b89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:45, skipping insertion in model container [2023-11-12 02:04:45,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:45" (3/3) ... [2023-11-12 02:04:45,213 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-29.i [2023-11-12 02:04:45,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:45,235 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:45,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:45,316 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48399bc4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:45,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-12 02:04:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 02:04:45,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:45,339 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:45,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:45,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:45,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1200207410, now seen corresponding path program 1 times [2023-11-12 02:04:45,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:45,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771524314] [2023-11-12 02:04:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:45,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:45,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:04:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:04:45,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:04:45,925 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:04:45,926 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:04:45,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:04:45,937 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 02:04:45,943 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:04:46,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:04:46 BoogieIcfgContainer [2023-11-12 02:04:46,054 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:04:46,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:46,057 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:46,057 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:46,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:45" (3/4) ... [2023-11-12 02:04:46,062 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:04:46,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:46,065 INFO L158 Benchmark]: Toolchain (without parser) took 2008.42ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 91.0MB in the beginning and 140.6MB in the end (delta: -49.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-12 02:04:46,065 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 136.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:46,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.35ms. Allocated memory is still 136.3MB. Free memory was 90.7MB in the beginning and 78.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:04:46,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.69ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 76.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:46,068 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 75.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:46,074 INFO L158 Benchmark]: RCFGBuilder took 707.45ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 74.9MB in the beginning and 165.9MB in the end (delta: -91.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:46,075 INFO L158 Benchmark]: TraceAbstraction took 849.24ms. Allocated memory is still 199.2MB. Free memory was 165.9MB in the beginning and 141.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-12 02:04:46,076 INFO L158 Benchmark]: Witness Printer took 6.56ms. Allocated memory is still 199.2MB. Free memory was 141.4MB in the beginning and 140.6MB in the end (delta: 787.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:46,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 136.3MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.35ms. Allocated memory is still 136.3MB. Free memory was 90.7MB in the beginning and 78.9MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.69ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 76.5MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 75.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 707.45ms. Allocated memory was 136.3MB in the beginning and 199.2MB in the end (delta: 62.9MB). Free memory was 74.9MB in the beginning and 165.9MB in the end (delta: -91.0MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 849.24ms. Allocated memory is still 199.2MB. Free memory was 165.9MB in the beginning and 141.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.56ms. Allocated memory is still 199.2MB. Free memory was 141.4MB in the beginning and 140.6MB in the end (delta: 787.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 2.5; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 9.3; [L25] float var_1_4 = 3.4; [L26] unsigned short int var_1_5 = 32; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 64; [L29] unsigned short int var_1_8 = 16; [L30] unsigned short int var_1_9 = 1; VAL [isInitial=0, var_1_1=5/2, var_1_2=0, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L80] isInitial = 1 [L81] FCALL initially() [L82] int k_loop; [L83] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_1=5/2, var_1_2=0, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L83] COND TRUE k_loop < 1 [L84] FCALL updateLastVariables() [L85] CALL updateVariables() [L56] var_1_2 = __VERIFIER_nondet_uchar() [L57] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L57] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L58] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L58] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=93/10, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L59] var_1_3 = __VERIFIER_nondet_float() [L60] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L60] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=17/5, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L61] var_1_4 = __VERIFIER_nondet_float() [L62] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L62] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=10, var_1_7=64, var_1_8=16, var_1_9=1] [L63] var_1_6 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=64, var_1_8=16, var_1_9=1] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=64, var_1_8=16, var_1_9=1] [L65] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=64, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=64, var_1_8=16, var_1_9=1] [L65] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=64, var_1_8=16, var_1_9=1] [L66] var_1_7 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=16, var_1_9=1] [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=16, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=16, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=16, var_1_9=1] [L68] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=16, var_1_9=1] [L69] var_1_8 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L70] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L71] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, var_1_1=5/2, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L85] RET updateVariables() [L86] CALL step() [L34] COND TRUE \read(var_1_2) [L35] var_1_1 = var_1_3 VAL [isInitial=1, var_1_1=131078, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=32, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L41] COND TRUE (var_1_1 + 8.125) > (var_1_1 * var_1_3) [L42] var_1_5 = (((((var_1_6 + var_1_7)) > (var_1_8)) ? ((var_1_6 + var_1_7)) : (var_1_8))) VAL [isInitial=1, var_1_1=131078, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=5, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L46] signed long int stepLocal_0 = 5 * var_1_8; VAL [isInitial=1, stepLocal_0=20, var_1_1=131078, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=5, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L47] COND FALSE !(((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) VAL [isInitial=1, stepLocal_0=20, var_1_1=131078, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=5, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L86] RET step() [L87] CALL, EXPR property() [L76-L77] return ((var_1_2 ? (var_1_1 == ((float) var_1_3)) : ((! (var_1_3 < var_1_4)) ? (var_1_1 == ((float) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1)) && (((var_1_1 + 8.125) > (var_1_1 * var_1_3)) ? (var_1_5 == ((unsigned short int) (((((var_1_6 + var_1_7)) > (var_1_8)) ? ((var_1_6 + var_1_7)) : (var_1_8))))) : (var_1_5 == ((unsigned short int) var_1_8)))) && ((((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) ? ((var_1_6 > (5 * var_1_8)) ? ((var_1_1 < (var_1_1 * 256.5f)) ? (var_1_9 == ((unsigned short int) var_1_6)) : 1) : 1) : 1) ; VAL [\result=0, isInitial=1, var_1_1=131078, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=5, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=131078, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=5, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=131078, var_1_2=1, var_1_3=131078, var_1_4=131077, var_1_5=5, var_1_6=0, var_1_7=5, var_1_8=4, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-12 02:04:46,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:48,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:49,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:04:49,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:49,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:49,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:49,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:49,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:49,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:49,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:49,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:49,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:49,090 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:49,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:49,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:49,093 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:49,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:49,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:49,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:49,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:49,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:49,097 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:04:49,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:04:49,097 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:04:49,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:49,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:49,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:49,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:49,100 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:49,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:49,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:49,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:49,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:49,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:49,103 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:04:49,103 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:04:49,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:49,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:49,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:49,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:49,105 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:04:49,106 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:49,106 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_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd450d45b6e74a7932eec9848ae0cf358cd00d24cc83ea5ec60a19fac36ea9d [2023-11-12 02:04:49,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:49,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:49,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:49,532 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:49,534 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:49,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2023-11-12 02:04:52,672 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:52,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:53,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i [2023-11-12 02:04:53,014 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data/2ab8f6b9e/39bd9702efa542799202168712a7f0cc/FLAG28979bc99 [2023-11-12 02:04:53,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/data/2ab8f6b9e/39bd9702efa542799202168712a7f0cc [2023-11-12 02:04:53,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:53,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:53,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:53,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:53,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:53,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52253cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53, skipping insertion in model container [2023-11-12 02:04:53,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:53,535 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_07f3808f-57ea-4c19-9a4e-400037b07de4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2023-11-12 02:04:53,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:53,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:53,642 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_07f3808f-57ea-4c19-9a4e-400037b07de4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-29.i[915,928] [2023-11-12 02:04:53,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:53,691 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:53,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53 WrapperNode [2023-11-12 02:04:53,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:53,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:53,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:53,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:53,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,773 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-11-12 02:04:53,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:53,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:53,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:53,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:53,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:53,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:53,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:53,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:53,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (1/1) ... [2023-11-12 02:04:53,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:53,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:53,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:53,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:04:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:04:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:04:53,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:54,060 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:54,063 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:59,561 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:59,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:59,569 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:04:59,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:59 BoogieIcfgContainer [2023-11-12 02:04:59,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:59,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:59,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:59,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:59,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:53" (1/3) ... [2023-11-12 02:04:59,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a5bc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:59, skipping insertion in model container [2023-11-12 02:04:59,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:53" (2/3) ... [2023-11-12 02:04:59,580 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a5bc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:59, skipping insertion in model container [2023-11-12 02:04:59,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:59" (3/3) ... [2023-11-12 02:04:59,582 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-29.i [2023-11-12 02:04:59,604 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:59,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:04:59,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:59,665 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55658d78, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:59,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:04:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-12 02:04:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-12 02:04:59,684 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:59,685 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:59,686 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:04:59,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:59,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1200207410, now seen corresponding path program 1 times [2023-11-12 02:04:59,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:04:59,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15807537] [2023-11-12 02:04:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:59,711 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 [2023-11-12 02:04:59,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:04:59,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:04:59,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:05:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:00,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:05:00,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:05:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-12 02:05:02,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:05:02,960 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-12 02:05:02,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:05:02,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15807537] [2023-11-12 02:05:02,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15807537] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:05:02,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:05:02,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-12 02:05:02,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651345026] [2023-11-12 02:05:02,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:05:02,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:05:02,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:05:03,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:05:03,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:05:03,029 INFO L87 Difference]: Start difference. First operand has 43 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 31 states have internal predecessors, (41), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-12 02:05:06,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:08,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:09,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:11,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:13,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:16,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:18,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:19,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:21,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:23,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:26,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:28,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:30,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:31,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:33,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:35,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:37,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:39,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:05:40,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:05:40,043 INFO L93 Difference]: Finished difference Result 138 states and 203 transitions. [2023-11-12 02:05:40,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-12 02:05:40,046 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 69 [2023-11-12 02:05:40,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:05:40,057 INFO L225 Difference]: With dead ends: 138 [2023-11-12 02:05:40,058 INFO L226 Difference]: Without dead ends: 86 [2023-11-12 02:05:40,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=195, Invalid=357, Unknown=0, NotChecked=0, Total=552 [2023-11-12 02:05:40,068 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 149 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 38 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2023-11-12 02:05:40,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 165 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 162 Invalid, 14 Unknown, 0 Unchecked, 35.9s Time] [2023-11-12 02:05:40,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-12 02:05:40,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 59. [2023-11-12 02:05:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 44 states have internal predecessors, (52), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-12 02:05:40,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2023-11-12 02:05:40,146 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 69 [2023-11-12 02:05:40,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:05:40,149 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2023-11-12 02:05:40,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-12 02:05:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-12 02:05:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-12 02:05:40,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:05:40,157 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:05:40,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:05:40,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:05:40,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:05:40,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:05:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1042787783, now seen corresponding path program 1 times [2023-11-12 02:05:40,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:05:40,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392673659] [2023-11-12 02:05:40,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:05:40,379 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 [2023-11-12 02:05:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:05:40,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:05:40,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f3808f-57ea-4c19-9a4e-400037b07de4/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:05:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:05:40,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-12 02:05:40,768 INFO L285 TraceCheckSpWp]: Computing forward predicates...