./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire --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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:07,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:08,094 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:10:08,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:08,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:08,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:08,143 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:08,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:08,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:08,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:08,155 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:08,156 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:08,157 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:08,158 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:10:08,159 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:08,159 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:08,160 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:10:08,160 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:10:08,160 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:08,161 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:10:08,161 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:10:08,162 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:10:08,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:08,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:08,164 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:08,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:10:08,165 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:08,165 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:08,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:08,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:08,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:08,168 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:08,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:08,168 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:08,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:08,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:08,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:08,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:08,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:08,170 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:08,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:08,170 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:10:08,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:10:08,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:08,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:08,172 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:08,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:08,172 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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-23 21:10:08,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:08,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:08,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:08,531 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:08,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:08,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-23 21:10:11,641 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:11,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:11,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-23 21:10:11,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data/a20b2d17f/f7c0cbfc399d439e8d995e36ba7e88f6/FLAGfdd1c7cb7 [2023-11-23 21:10:11,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data/a20b2d17f/f7c0cbfc399d439e8d995e36ba7e88f6 [2023-11-23 21:10:11,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:11,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:11,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:11,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:11,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:11,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:11" (1/1) ... [2023-11-23 21:10:11,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a71995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:11, skipping insertion in model container [2023-11-23 21:10:11,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:11" (1/1) ... [2023-11-23 21:10:11,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:12,153 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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-23 21:10:12,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:12,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:12,278 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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-23 21:10:12,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:12,329 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:12,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12 WrapperNode [2023-11-23 21:10:12,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:12,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:12,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:12,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:12,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,416 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-23 21:10:12,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:12,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:12,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:12,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:12,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:12,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:12,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:12,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:12,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (1/1) ... [2023-11-23 21:10:12,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:12,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:12,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:12,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:10:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:12,786 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:12,788 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:13,359 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:13,671 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:13,673 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:13,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:13 BoogieIcfgContainer [2023-11-23 21:10:13,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:13,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:13,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:13,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:13,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:11" (1/3) ... [2023-11-23 21:10:13,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3536bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:13, skipping insertion in model container [2023-11-23 21:10:13,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:12" (2/3) ... [2023-11-23 21:10:13,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3536bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:13, skipping insertion in model container [2023-11-23 21:10:13,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:13" (3/3) ... [2023-11-23 21:10:13,688 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-23 21:10:13,734 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:13,735 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:13,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:13,791 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;@4feb2c88, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:13,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 21:10:13,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:13,809 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:13,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:13,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:13,814 INFO L85 PathProgramCache]: Analyzing trace with hash 203937416, now seen corresponding path program 1 times [2023-11-23 21:10:13,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:10:13,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696879614] [2023-11-23 21:10:13,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:13,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:10:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:15,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:10:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:10:15,540 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:10:15,542 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:10:15,543 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:10:15,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:10:15,551 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:10:15,558 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:10:15,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:10:15 BoogieIcfgContainer [2023-11-23 21:10:15,701 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:10:15,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:10:15,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:10:15,704 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:10:15,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:13" (3/4) ... [2023-11-23 21:10:15,708 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:10:15,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:10:15,711 INFO L158 Benchmark]: Toolchain (without parser) took 3787.80ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 122.6MB in the beginning and 142.5MB in the end (delta: -19.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-23 21:10:15,712 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:15,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.90ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 107.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:10:15,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.43ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 102.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:10:15,716 INFO L158 Benchmark]: Boogie Preprocessor took 87.01ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 125.7MB in the end (delta: -23.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-23 21:10:15,720 INFO L158 Benchmark]: RCFGBuilder took 1170.78ms. Allocated memory is still 157.3MB. Free memory was 125.7MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2023-11-23 21:10:15,721 INFO L158 Benchmark]: TraceAbstraction took 2022.93ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 122.9MB in the beginning and 142.5MB in the end (delta: -19.5MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. [2023-11-23 21:10:15,722 INFO L158 Benchmark]: Witness Printer took 6.56ms. Allocated memory is still 188.7MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:10:15,731 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 115.3MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.90ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 107.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.43ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 102.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.01ms. Allocated memory is still 157.3MB. Free memory was 102.3MB in the beginning and 125.7MB in the end (delta: -23.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.78ms. Allocated memory is still 157.3MB. Free memory was 125.7MB in the beginning and 123.6MB in the end (delta: 2.1MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2022.93ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 122.9MB in the beginning and 142.5MB in the end (delta: -19.5MB). Peak memory consumption was 109.5MB. Max. memory is 16.1GB. * Witness Printer took 6.56ms. Allocated memory is still 188.7MB. Free memory is still 142.5MB. 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 someBinaryDOUBLEComparisonOperation at line 138, overapproximation of bitwiseOr at line 54, overapproximation of shiftLeft at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned short int var_1_4 = 58792; [L24] unsigned short int var_1_5 = 8; [L25] unsigned short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 16; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = 1000; [L30] signed short int var_1_11 = 1; [L31] signed short int var_1_12 = -25; [L32] signed short int var_1_13 = 25; [L33] unsigned short int var_1_14 = 5; [L34] unsigned short int var_1_16 = 20511; [L35] unsigned long int var_1_17 = 50; [L36] unsigned short int var_1_18 = 10; [L37] unsigned short int var_1_19 = 2; [L38] unsigned short int var_1_20 = 0; [L39] double var_1_21 = 9.15; [L40] double var_1_22 = 128.5; [L41] unsigned char var_1_23 = 1; [L42] double var_1_24 = 1.125; [L43] unsigned char var_1_25 = 1; [L44] unsigned char var_1_26 = 0; [L45] unsigned char var_1_27 = 1; [L46] unsigned char last_1_var_1_8 = 0; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L147] last_1_var_1_8 = var_1_8 [L157] RET updateLastVariables() [L158] CALL updateVariables() [L107] var_1_4 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=8, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L110] var_1_5 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=64, var_1_7=16, var_1_8=0, var_1_9=1] [L113] var_1_6 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_7=16, var_1_8=0, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=16, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=16, var_1_8=0, var_1_9=1] [L116] var_1_7 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_8=0, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L119] var_1_9 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=1, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L122] var_1_11 = __VERIFIER_nondet_short() [L123] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_11 <= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_11 <= 8191) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=-25, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L125] var_1_12 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_12 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_12 >= -16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=25, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L128] var_1_13 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_13 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_13 >= -32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_13 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_13 <= 32766) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=20511, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L131] var_1_16 = __VERIFIER_nondet_ushort() [L132] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=0, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L134] var_1_20 = __VERIFIER_nondet_ushort() [L135] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_22=257/2, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L137] var_1_22 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L139] var_1_26 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L142] var_1_27 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_27 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_27 >= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_27 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_27 <= 1) VAL [isInitial=1, last_1_var_1_8=0, var_1_10=1000, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=5, var_1_16=16383, var_1_17=50, var_1_18=10, var_1_19=2, var_1_1=4, var_1_20=65534, var_1_21=183/20, var_1_23=1, var_1_24=9/8, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=0, var_1_9=1] [L158] RET updateVariables() [L159] CALL step() [L50] var_1_19 = var_1_20 [L51] var_1_21 = var_1_22 [L52] var_1_23 = 0 [L53] var_1_24 = var_1_22 [L54] EXPR 64 ^ var_1_19 [L54] COND TRUE var_1_20 != (64 ^ var_1_19) [L55] COND FALSE !((var_1_19 >= var_1_20) && var_1_23) [L58] var_1_25 = var_1_27 [L63] unsigned short int stepLocal_1 = var_1_6; [L64] unsigned char stepLocal_0 = last_1_var_1_8; [L65] COND FALSE !(last_1_var_1_8 && stepLocal_0) [L68] COND FALSE !(((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < stepLocal_1) [L72] var_1_8 = (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9) [L73] COND TRUE \read(var_1_8) [L74] var_1_14 = (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] EXPR var_1_16 << var_1_7 [L76] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L76] signed long int stepLocal_4 = (((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7))); [L77] COND TRUE stepLocal_4 >= var_1_14 [L78] var_1_17 = var_1_11 [L82] unsigned short int stepLocal_5 = var_1_5; [L83] COND FALSE !(stepLocal_5 == var_1_16) [L90] COND TRUE \read(var_1_9) [L91] var_1_18 = 200 [L94] unsigned char stepLocal_3 = var_1_9; [L95] unsigned long int stepLocal_2 = var_1_17; [L96] COND TRUE stepLocal_2 < var_1_6 [L97] COND TRUE (var_1_6 != var_1_5) || stepLocal_3 [L98] var_1_10 = (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) [L159] RET step() [L160] CALL, EXPR property() [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150] EXPR var_1_16 << var_1_7 [L150] EXPR ((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)) [L150] EXPR (((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5)))) [L150-L151] return ((((((last_1_var_1_8 && last_1_var_1_8) ? (var_1_1 == ((unsigned short int) ((((((56892) < (var_1_4)) ? (56892) : (var_1_4))) - var_1_5) - ((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))))) : ((((((var_1_7) > (var_1_5)) ? (var_1_7) : (var_1_5))) < var_1_6) ? (var_1_1 == ((unsigned short int) var_1_5)) : 1)) && (var_1_8 == ((unsigned char) (((var_1_7 >= var_1_5) && (var_1_4 >= var_1_1)) || var_1_9)))) && ((var_1_17 < var_1_6) ? (((var_1_6 != var_1_5) || var_1_9) ? (var_1_10 == ((signed short int) (((10000 - var_1_11) - var_1_5) + ((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))))) : (var_1_10 == ((signed short int) var_1_4))) : (var_1_10 == ((signed short int) var_1_13)))) && (var_1_8 ? (var_1_14 == ((unsigned short int) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - ((((var_1_5) > ((var_1_16 - var_1_11))) ? (var_1_5) : ((var_1_16 - var_1_11))))))) : 1)) && ((((((var_1_13) > ((var_1_16 << var_1_7))) ? (var_1_13) : ((var_1_16 << var_1_7)))) >= var_1_14) ? (var_1_17 == ((unsigned long int) var_1_11)) : (var_1_17 == ((unsigned long int) (var_1_6 + var_1_5))))) && ((var_1_5 == var_1_16) ? (var_1_8 ? (var_1_18 == ((unsigned short int) (((((var_1_16 + 30393) - var_1_5) < 0 ) ? -((var_1_16 + 30393) - var_1_5) : ((var_1_16 + 30393) - var_1_5))))) : (var_1_18 == ((unsigned short int) var_1_4))) : (var_1_9 ? (var_1_18 == ((unsigned short int) 200)) : 1)) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=26379, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=40510, var_1_16=16383, var_1_17=0, var_1_18=200, var_1_19=65534, var_1_1=4, var_1_20=65534, var_1_21=58797, var_1_22=58797, var_1_23=0, var_1_24=58797, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_8=0, var_1_10=26379, var_1_11=0, var_1_12=16383, var_1_13=26380, var_1_14=40510, var_1_16=16383, var_1_17=0, var_1_18=200, var_1_19=65534, var_1_1=4, var_1_20=65534, var_1_21=58797, var_1_22=58797, var_1_23=0, var_1_24=58797, var_1_25=1, var_1_26=0, var_1_27=1, var_1_4=56893, var_1_5=4, var_1_6=2, var_1_7=3, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 25, 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=47occurred 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, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 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 [2023-11-23 21:10:15,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire --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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:10:18,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:10:18,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:10:18,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:10:18,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:10:18,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:10:18,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:10:18,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:10:18,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:10:18,527 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:10:18,527 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:10:18,528 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:10:18,529 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:10:18,529 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:10:18,530 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:10:18,530 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:10:18,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:10:18,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:10:18,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:10:18,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:10:18,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:10:18,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:10:18,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:10:18,535 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:10:18,535 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:10:18,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:10:18,536 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:10:18,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:10:18,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:10:18,537 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:10:18,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:10:18,538 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:10:18,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:10:18,539 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:10:18,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:18,540 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:10:18,540 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:10:18,540 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:10:18,540 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:10:18,541 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:18,541 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:10:18,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:10:18,541 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:10:18,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:10:18,542 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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2023-11-23 21:10:18,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:10:18,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:10:18,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:10:18,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:10:18,978 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:10:18,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-23 21:10:22,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:10:22,539 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:10:22,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-23 21:10:22,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data/1df81f793/1a1fa5f54c5045c19c067ad68169e451/FLAG7d39a9e76 [2023-11-23 21:10:22,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/data/1df81f793/1a1fa5f54c5045c19c067ad68169e451 [2023-11-23 21:10:22,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:10:22,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:10:22,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:22,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:10:22,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:10:22,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:22" (1/1) ... [2023-11-23 21:10:22,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2c0f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:22, skipping insertion in model container [2023-11-23 21:10:22,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:10:22" (1/1) ... [2023-11-23 21:10:22,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:10:22,804 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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-23 21:10:22,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:22,893 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:10:22,916 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_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2023-11-23 21:10:22,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:10:23,014 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:10:23,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23 WrapperNode [2023-11-23 21:10:23,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:10:23,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:23,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:10:23,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:10:23,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,097 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-23 21:10:23,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:10:23,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:10:23,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:10:23,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:10:23,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,136 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:10:23,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:10:23,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:10:23,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:10:23,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (1/1) ... [2023-11-23 21:10:23,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:10:23,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:23,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:10:23,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:23,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:23,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:23,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:23,414 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:23,418 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:23,875 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:23,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:23,944 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:23,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:23 BoogieIcfgContainer [2023-11-23 21:10:23,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:23,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:23,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:23,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:23,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:10:22" (1/3) ... [2023-11-23 21:10:23,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45527a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:23, skipping insertion in model container [2023-11-23 21:10:23,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:10:23" (2/3) ... [2023-11-23 21:10:23,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45527a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:23, skipping insertion in model container [2023-11-23 21:10:23,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:23" (3/3) ... [2023-11-23 21:10:23,954 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2023-11-23 21:10:23,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:23,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:24,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:24,023 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;@1e22b959, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:24,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:24,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:24,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-23 21:10:24,047 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:24,048 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:24,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:24,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:24,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1904905118, now seen corresponding path program 1 times [2023-11-23 21:10:24,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:24,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525886599] [2023-11-23 21:10:24,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:24,074 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 [2023-11-23 21:10:24,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:24,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:24,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:24,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:10:24,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2023-11-23 21:10:24,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:24,539 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:24,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525886599] [2023-11-23 21:10:24,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525886599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:24,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:24,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:10:24,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206442251] [2023-11-23 21:10:24,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:24,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:10:24,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:24,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:10:24,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:24,595 INFO L87 Difference]: Start difference. First operand has 67 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:10:24,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:24,668 INFO L93 Difference]: Finished difference Result 131 states and 233 transitions. [2023-11-23 21:10:24,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:10:24,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 155 [2023-11-23 21:10:24,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:24,684 INFO L225 Difference]: With dead ends: 131 [2023-11-23 21:10:24,684 INFO L226 Difference]: Without dead ends: 65 [2023-11-23 21:10:24,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:10:24,692 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:24,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:10:24,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-23 21:10:24,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-23 21:10:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:10:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 100 transitions. [2023-11-23 21:10:24,743 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 100 transitions. Word has length 155 [2023-11-23 21:10:24,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:24,743 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 100 transitions. [2023-11-23 21:10:24,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:10:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-23 21:10:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-23 21:10:24,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:24,775 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:24,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:24,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:24,980 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:24,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:24,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1120088480, now seen corresponding path program 1 times [2023-11-23 21:10:24,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:24,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898869297] [2023-11-23 21:10:24,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:24,983 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 [2023-11-23 21:10:24,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:24,985 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:25,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:25,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:10:25,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:10:25,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:25,648 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:25,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898869297] [2023-11-23 21:10:25,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898869297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:25,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:25,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:25,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319953215] [2023-11-23 21:10:25,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:25,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:10:25,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:25,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:10:25,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:10:25,661 INFO L87 Difference]: Start difference. First operand 65 states and 100 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:25,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:25,982 INFO L93 Difference]: Finished difference Result 223 states and 340 transitions. [2023-11-23 21:10:25,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:10:25,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 155 [2023-11-23 21:10:25,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:25,988 INFO L225 Difference]: With dead ends: 223 [2023-11-23 21:10:25,989 INFO L226 Difference]: Without dead ends: 159 [2023-11-23 21:10:25,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:10:25,991 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 91 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:25,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 315 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:10:26,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-23 21:10:26,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 124. [2023-11-23 21:10:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 71 states have internal predecessors, (91), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:10:26,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 191 transitions. [2023-11-23 21:10:26,070 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 191 transitions. Word has length 155 [2023-11-23 21:10:26,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:26,072 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 191 transitions. [2023-11-23 21:10:26,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 191 transitions. [2023-11-23 21:10:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-23 21:10:26,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:26,078 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:26,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 21:10:26,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:26,287 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:26,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:26,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1691656285, now seen corresponding path program 1 times [2023-11-23 21:10:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:26,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79088561] [2023-11-23 21:10:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:26,290 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 [2023-11-23 21:10:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:26,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:26,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 (4)] Waiting until timeout for monitored process [2023-11-23 21:10:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:26,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:10:26,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:10:26,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:26,543 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:26,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79088561] [2023-11-23 21:10:26,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79088561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:26,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:26,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:26,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438240485] [2023-11-23 21:10:26,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:26,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:26,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:26,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:26,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:26,556 INFO L87 Difference]: Start difference. First operand 124 states and 191 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:26,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:26,655 INFO L93 Difference]: Finished difference Result 283 states and 433 transitions. [2023-11-23 21:10:26,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:26,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 156 [2023-11-23 21:10:26,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:26,665 INFO L225 Difference]: With dead ends: 283 [2023-11-23 21:10:26,665 INFO L226 Difference]: Without dead ends: 160 [2023-11-23 21:10:26,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:26,673 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 79 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:26,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 203 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:10:26,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-23 21:10:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2023-11-23 21:10:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 86 states have (on average 1.2093023255813953) internal successors, (104), 87 states have internal predecessors, (104), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-23 21:10:26,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 240 transitions. [2023-11-23 21:10:26,712 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 240 transitions. Word has length 156 [2023-11-23 21:10:26,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:26,713 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 240 transitions. [2023-11-23 21:10:26,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 240 transitions. [2023-11-23 21:10:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 21:10:26,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:26,716 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:26,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:26,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:26,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:26,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1960766847, now seen corresponding path program 1 times [2023-11-23 21:10:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:26,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773786274] [2023-11-23 21:10:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:26,923 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 [2023-11-23 21:10:26,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:26,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:26,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:10:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:27,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:10:27,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 21:10:27,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:27,137 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:27,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773786274] [2023-11-23 21:10:27,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773786274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:27,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:27,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:27,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966375516] [2023-11-23 21:10:27,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:27,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:27,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:27,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:27,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:27,140 INFO L87 Difference]: Start difference. First operand 159 states and 240 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:27,206 INFO L93 Difference]: Finished difference Result 306 states and 456 transitions. [2023-11-23 21:10:27,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:27,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 157 [2023-11-23 21:10:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:27,210 INFO L225 Difference]: With dead ends: 306 [2023-11-23 21:10:27,210 INFO L226 Difference]: Without dead ends: 175 [2023-11-23 21:10:27,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:27,212 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 95 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:27,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 225 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:10:27,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-23 21:10:27,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 174. [2023-11-23 21:10:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 93 states have (on average 1.1720430107526882) internal successors, (109), 94 states have internal predecessors, (109), 75 states have call successors, (75), 5 states have call predecessors, (75), 5 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-23 21:10:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 259 transitions. [2023-11-23 21:10:27,252 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 259 transitions. Word has length 157 [2023-11-23 21:10:27,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:27,253 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 259 transitions. [2023-11-23 21:10:27,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 21:10:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 259 transitions. [2023-11-23 21:10:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 21:10:27,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:27,256 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:27,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:27,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:10:27,462 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:27,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:27,465 INFO L85 PathProgramCache]: Analyzing trace with hash 939698493, now seen corresponding path program 1 times [2023-11-23 21:10:27,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:27,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525320175] [2023-11-23 21:10:27,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:27,467 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 [2023-11-23 21:10:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:27,469 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:27,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 (6)] Waiting until timeout for monitored process [2023-11-23 21:10:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:27,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 21:10:27,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:31,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-23 21:10:31,914 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:33,929 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:33,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525320175] [2023-11-23 21:10:33,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [525320175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:10:33,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1903724242] [2023-11-23 21:10:33,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:33,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:10:33,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:10:33,936 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:10:33,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:10:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:34,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-23 21:10:34,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 806 proven. 231 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2023-11-23 21:10:37,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:37,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1903724242] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:10:37,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601527932] [2023-11-23 21:10:37,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:37,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:10:37,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:10:37,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:10:37,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:10:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:38,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-23 21:10:38,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:40,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 831 proven. 234 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-23 21:10:40,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:10:41,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601527932] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:10:41,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:10:41,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 26, 29] total 33 [2023-11-23 21:10:41,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517107126] [2023-11-23 21:10:41,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:10:41,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-23 21:10:41,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:41,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-23 21:10:41,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=1636, Unknown=0, NotChecked=0, Total=1980 [2023-11-23 21:10:41,055 INFO L87 Difference]: Start difference. First operand 174 states and 259 transitions. Second operand has 33 states, 33 states have (on average 2.727272727272727) internal successors, (90), 32 states have internal predecessors, (90), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2023-11-23 21:10:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:47,591 INFO L93 Difference]: Finished difference Result 547 states and 707 transitions. [2023-11-23 21:10:47,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-11-23 21:10:47,592 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.727272727272727) internal successors, (90), 32 states have internal predecessors, (90), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 157 [2023-11-23 21:10:47,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:47,597 INFO L225 Difference]: With dead ends: 547 [2023-11-23 21:10:47,597 INFO L226 Difference]: Without dead ends: 416 [2023-11-23 21:10:47,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 617 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1082, Invalid=4174, Unknown=0, NotChecked=0, Total=5256 [2023-11-23 21:10:47,601 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 316 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:47,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 505 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-23 21:10:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2023-11-23 21:10:47,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 218. [2023-11-23 21:10:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 149 states have (on average 1.1946308724832215) internal successors, (178), 149 states have internal predecessors, (178), 50 states have call successors, (50), 18 states have call predecessors, (50), 18 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 21:10:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 278 transitions. [2023-11-23 21:10:47,638 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 278 transitions. Word has length 157 [2023-11-23 21:10:47,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:47,639 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 278 transitions. [2023-11-23 21:10:47,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.727272727272727) internal successors, (90), 32 states have internal predecessors, (90), 8 states have call successors, (32), 8 states have call predecessors, (32), 14 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2023-11-23 21:10:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 278 transitions. [2023-11-23 21:10:47,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 21:10:47,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:47,642 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:10:47,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:47,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:48,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:48,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:10:48,247 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:48,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:48,248 INFO L85 PathProgramCache]: Analyzing trace with hash -321173443, now seen corresponding path program 1 times [2023-11-23 21:10:48,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:48,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136615175] [2023-11-23 21:10:48,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:48,249 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 [2023-11-23 21:10:48,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:48,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:10:48,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551cb13-5cb2-43ac-bf26-b99a1a986ad0/bin/utaipan-verify-mE87zJ7Ire/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 (9)] Waiting until timeout for monitored process [2023-11-23 21:10:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:48,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-23 21:10:48,455 INFO L285 TraceCheckSpWp]: Computing forward predicates...