./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:26,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:26,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:48:26,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:26,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:26,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:26,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:26,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:26,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:26,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:26,346 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:26,346 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:26,347 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:26,348 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:48:26,349 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:26,349 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:26,350 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:48:26,350 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:48:26,351 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:26,351 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:48:26,352 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:48:26,352 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:48:26,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:26,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:26,354 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:48:26,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:48:26,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:48:26,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:26,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:26,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:26,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:26,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:48:26,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:26,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:26,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:26,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:26,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:26,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:26,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:26,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:26,361 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:48:26,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:48:26,362 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:26,362 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:26,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:26,363 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e [2023-11-12 00:48:26,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:26,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:26,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:26,722 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:26,722 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:26,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2023-11-12 00:48:29,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:30,094 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:30,095 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2023-11-12 00:48:30,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data/fcb33a163/e2e2640e1a4d48b2962d673489886048/FLAG2c82bfa51 [2023-11-12 00:48:30,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data/fcb33a163/e2e2640e1a4d48b2962d673489886048 [2023-11-12 00:48:30,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:30,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:30,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:30,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:30,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:30,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585c196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30, skipping insertion in model container [2023-11-12 00:48:30,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:30,432 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_e9b46610-fa31-4ec2-b002-9299661a0502/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2023-11-12 00:48:30,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:30,519 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:30,533 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_e9b46610-fa31-4ec2-b002-9299661a0502/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2023-11-12 00:48:30,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:30,583 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:30,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30 WrapperNode [2023-11-12 00:48:30,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:30,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:30,585 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:30,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:30,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,651 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-12 00:48:30,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:30,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:30,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:30,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:30,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,676 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:30,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:30,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:30,701 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:30,702 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (1/1) ... [2023-11-12 00:48:30,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:30,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:30,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:30,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:48:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:48:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:48:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:30,938 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:30,941 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:48:31,319 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:48:31,712 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:48:31,712 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:48:31,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:31 BoogieIcfgContainer [2023-11-12 00:48:31,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:48:31,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:48:31,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:48:31,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:48:31,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:30" (1/3) ... [2023-11-12 00:48:31,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4f686d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:31, skipping insertion in model container [2023-11-12 00:48:31,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:30" (2/3) ... [2023-11-12 00:48:31,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4f686d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:31, skipping insertion in model container [2023-11-12 00:48:31,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:31" (3/3) ... [2023-11-12 00:48:31,725 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-62.i [2023-11-12 00:48:31,746 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:48:31,746 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:48:31,809 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:48:31,817 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=FINITE_AUTOMATA, 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;@75df5303, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:48:31,818 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:48:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 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) [2023-11-12 00:48:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-12 00:48:31,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:31,838 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-12 00:48:31,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:31,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:31,847 INFO L85 PathProgramCache]: Analyzing trace with hash 515338814, now seen corresponding path program 1 times [2023-11-12 00:48:31,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:31,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047377298] [2023-11-12 00:48:31,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:32,067 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:48:32,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [870135498] [2023-11-12 00:48:32,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:32,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:32,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:32,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:48:32,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:48:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:48:32,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:48:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:48:32,904 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:48:32,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:48:32,909 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:48:32,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:48:33,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:48:33,116 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:48:33,121 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:48:33,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:48:33 BoogieIcfgContainer [2023-11-12 00:48:33,258 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:48:33,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:48:33,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:48:33,259 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:48:33,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:31" (3/4) ... [2023-11-12 00:48:33,262 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:48:33,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:48:33,265 INFO L158 Benchmark]: Toolchain (without parser) took 3125.97ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 95.7MB in the end (delta: 9.3MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-12 00:48:33,266 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 56.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:48:33,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.85ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 107.8MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:48:33,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.51ms. Allocated memory is still 146.8MB. Free memory was 107.8MB in the beginning and 104.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:48:33,277 INFO L158 Benchmark]: Boogie Preprocessor took 47.47ms. Allocated memory is still 146.8MB. Free memory was 104.6MB in the beginning and 102.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:48:33,279 INFO L158 Benchmark]: RCFGBuilder took 1015.26ms. Allocated memory is still 146.8MB. Free memory was 102.8MB in the beginning and 56.4MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-12 00:48:33,279 INFO L158 Benchmark]: TraceAbstraction took 1539.39ms. Allocated memory is still 146.8MB. Free memory was 55.9MB in the beginning and 95.7MB in the end (delta: -39.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:48:33,280 INFO L158 Benchmark]: Witness Printer took 5.77ms. Allocated memory is still 146.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:48:33,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 56.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.85ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 107.8MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.51ms. Allocated memory is still 146.8MB. Free memory was 107.8MB in the beginning and 104.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.47ms. Allocated memory is still 146.8MB. Free memory was 104.6MB in the beginning and 102.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.26ms. Allocated memory is still 146.8MB. Free memory was 102.8MB in the beginning and 56.4MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1539.39ms. Allocated memory is still 146.8MB. Free memory was 55.9MB in the beginning and 95.7MB in the end (delta: -39.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.77ms. Allocated memory is still 146.8MB. Free memory is still 95.7MB. 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 113, overapproximation of bitwiseOr at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_3 = -25; [L24] signed long int var_1_4 = -128; [L25] double var_1_6 = 2.75; [L26] double var_1_7 = 24.5; [L27] double var_1_8 = 199.5; [L28] float var_1_9 = 32.8; [L29] unsigned char var_1_10 = 1; [L30] float var_1_11 = 15.4; [L31] float var_1_12 = 0.0; [L32] unsigned long int var_1_13 = 2; [L33] float var_1_16 = 127.6; [L34] signed long int var_1_17 = 128; [L35] unsigned char var_1_19 = 10; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 64; [L38] double var_1_22 = 15.95; [L39] unsigned long int var_1_23 = 4127848294; [L117] isInitial = 1 [L118] FCALL initially() [L119] COND TRUE 1 [L120] FCALL updateLastVariables() [L121] CALL updateVariables() [L79] var_1_3 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L81] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L82] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=-128, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L83] var_1_4 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L85] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L86] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=11/4, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L87] var_1_6 = __VERIFIER_nondet_double() [L88] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=49/2, var_1_8=399/2, var_1_9=164/5] [L89] var_1_7 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=399/2, var_1_9=164/5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=399/2, var_1_9=164/5] [L91] var_1_8 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L93] var_1_10 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L95] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=77/5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L96] var_1_11 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=0, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L98] var_1_12 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=0, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L100] var_1_20 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L102] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=64, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L103] var_1_21 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L105] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4127848294, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L106] var_1_23 = __VERIFIER_nondet_ulong() [L107] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4294967295, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4294967295, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L108] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4294967295, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=2, var_1_16=638/5, var_1_17=128, var_1_19=10, var_1_1=21/4, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4294967295, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=164/5] [L121] RET updateVariables() [L122] CALL step() [L43] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L44] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) [L48] COND TRUE var_1_10 || var_1_20 [L49] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) [L51] COND FALSE !(\read(var_1_10)) [L56] signed long int stepLocal_0 = (var_1_3 % var_1_4) * var_1_19; [L57] COND FALSE !(var_1_19 > stepLocal_0) [L60] var_1_1 = (var_1_6 - (var_1_8 + var_1_7)) [L62] COND TRUE ! var_1_10 [L63] var_1_13 = (50u + var_1_19) [L67] COND TRUE var_1_8 < (var_1_22 / var_1_12) [L68] COND FALSE !(var_1_22 > var_1_6) [L72] COND FALSE !(var_1_10 || (var_1_19 == var_1_13)) [L75] var_1_9 = ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))) [L122] RET step() [L123] CALL, EXPR property() [L113] EXPR (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) [L113-L114] return (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L123] RET, EXPR property() [L123] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=179, var_1_16=7, var_1_17=128, var_1_19=129, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4294967295, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=5, var_1_12=7, var_1_13=179, var_1_16=7, var_1_17=128, var_1_19=129, var_1_20=1, var_1_21=129, var_1_22=319/20, var_1_23=4294967295, var_1_3=1, var_1_4=2, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 19, 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=39occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 00:48:33,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:36,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:36,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:48:36,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:36,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:36,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:36,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:36,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:36,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:36,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:36,325 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:36,326 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:36,326 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:36,332 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:36,332 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:36,333 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:36,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:36,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:36,336 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:48:36,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:48:36,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:36,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:36,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:36,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:36,339 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:48:36,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:48:36,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:48:36,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:48:36,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:36,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:36,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:36,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:48:36,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:36,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:36,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:36,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:36,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:36,346 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:48:36,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:48:36,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:36,347 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:36,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:36,348 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 272045d3d9c0142355d0f6ae800bad14dcc77630ed1a32e095636ad733b8b62e [2023-11-12 00:48:36,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:36,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:36,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:36,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:36,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:36,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2023-11-12 00:48:40,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:40,454 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:40,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i [2023-11-12 00:48:40,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data/c6c0d7125/55869772aa6949c29f1f8f97b2950bc9/FLAGb55cc4a13 [2023-11-12 00:48:40,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/data/c6c0d7125/55869772aa6949c29f1f8f97b2950bc9 [2023-11-12 00:48:40,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:40,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:40,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:40,488 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:40,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:40,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:40,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bfaa4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40, skipping insertion in model container [2023-11-12 00:48:40,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:40,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:40,749 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_e9b46610-fa31-4ec2-b002-9299661a0502/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2023-11-12 00:48:40,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:40,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:40,900 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_e9b46610-fa31-4ec2-b002-9299661a0502/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-62.i[915,928] [2023-11-12 00:48:40,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:40,980 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:40,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40 WrapperNode [2023-11-12 00:48:40,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:40,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:40,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:40,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:40,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,069 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 125 [2023-11-12 00:48:41,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:41,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:41,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:41,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:41,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:41,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:41,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:41,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:41,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (1/1) ... [2023-11-12 00:48:41,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:41,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:41,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:41,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:41,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:48:41,231 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:48:41,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:48:41,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:41,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:41,389 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:41,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:48:57,981 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:48:57,989 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:48:57,990 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:48:57,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:57 BoogieIcfgContainer [2023-11-12 00:48:57,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:48:57,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:48:57,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:48:57,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:48:57,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:40" (1/3) ... [2023-11-12 00:48:58,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754af9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:57, skipping insertion in model container [2023-11-12 00:48:58,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:40" (2/3) ... [2023-11-12 00:48:58,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@754af9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:58, skipping insertion in model container [2023-11-12 00:48:58,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:57" (3/3) ... [2023-11-12 00:48:58,002 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-62.i [2023-11-12 00:48:58,022 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:48:58,023 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:48:58,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:48:58,082 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=FINITE_AUTOMATA, 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;@54132f93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:48:58,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:48:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 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) [2023-11-12 00:48:58,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 00:48:58,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:58,109 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, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:58,110 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:58,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:58,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1284219921, now seen corresponding path program 1 times [2023-11-12 00:48:58,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:48:58,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628916095] [2023-11-12 00:48:58,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:58,133 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 00:48:58,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:48:58,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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 00:48:58,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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 00:49:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:00,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:49:00,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:49:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-12 00:49:00,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:49:00,571 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:49:00,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628916095] [2023-11-12 00:49:00,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628916095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:00,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:00,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:49:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574936489] [2023-11-12 00:49:00,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:00,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:49:00,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:49:00,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:49:00,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:49:00,632 INFO L87 Difference]: Start difference. First operand has 59 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 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 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:49:02,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:04,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:08,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:10,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:12,553 WARN L539 Checker$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 00:49:14,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:17,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:19,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:49:21,971 WARN L539 Checker$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 00:49:23,983 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 00:49:24,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:24,931 INFO L93 Difference]: Finished difference Result 170 states and 298 transitions. [2023-11-12 00:49:24,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:49:24,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2023-11-12 00:49:24,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:24,946 INFO L225 Difference]: With dead ends: 170 [2023-11-12 00:49:24,946 INFO L226 Difference]: Without dead ends: 114 [2023-11-12 00:49:24,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:49:24,954 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 90 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 24 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:24,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 191 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 35 Invalid, 9 Unknown, 0 Unchecked, 24.2s Time] [2023-11-12 00:49:24,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-12 00:49:25,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2023-11-12 00:49:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 55 states have internal predecessors, (68), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 00:49:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2023-11-12 00:49:25,028 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 123 [2023-11-12 00:49:25,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:25,030 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2023-11-12 00:49:25,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-12 00:49:25,031 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2023-11-12 00:49:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-12 00:49:25,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:25,035 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, 1, 1, 1, 1, 1, 1] [2023-11-12 00:49:25,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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 00:49:25,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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 00:49:25,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:49:25,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1282372879, now seen corresponding path program 1 times [2023-11-12 00:49:25,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:49:25,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815339089] [2023-11-12 00:49:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:25,252 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 00:49:25,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:49:25,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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 00:49:25,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b46610-fa31-4ec2-b002-9299661a0502/bin/utaipan-verify-NcY6lQBIFX/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 00:49:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:28,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-12 00:49:28,058 INFO L285 TraceCheckSpWp]: Computing forward predicates...