./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje --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 c437622ad3301dde41e7b43fcb49e381287ff2782f6f1589dae9a032bc46257a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:09:52,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:09:52,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:09:52,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:09:52,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:09:52,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:09:52,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:09:52,174 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:09:52,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:09:52,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:09:52,175 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:09:52,176 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:09:52,176 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:09:52,177 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:09:52,180 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:09:52,181 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:09:52,181 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:09:52,181 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:09:52,182 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:09:52,182 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:09:52,182 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:09:52,187 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:09:52,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:09:52,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:09:52,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:09:52,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:09:52,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:09:52,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:09:52,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:09:52,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:09:52,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:09:52,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:09:52,194 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:09:52,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:09:52,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:09:52,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:09:52,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:09:52,196 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:09:52,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:09:52,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:09:52,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:09:52,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:09:52,200 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:09:52,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:09:52,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:09:52,201 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:09:52,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:09:52,202 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_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c437622ad3301dde41e7b43fcb49e381287ff2782f6f1589dae9a032bc46257a [2024-11-09 01:09:52,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:09:52,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:09:52,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:09:52,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:09:52,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:09:52,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i Unable to find full path for "g++" [2024-11-09 01:09:54,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:09:54,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:09:54,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i [2024-11-09 01:09:54,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data/e5b2f7c14/90363049a5f34eb18a40dd5af618d5c4/FLAG69bfee772 [2024-11-09 01:09:55,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data/e5b2f7c14/90363049a5f34eb18a40dd5af618d5c4 [2024-11-09 01:09:55,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:09:55,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:09:55,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:09:55,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:09:55,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:09:55,160 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e659753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55, skipping insertion in model container [2024-11-09 01:09:55,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:09:55,389 WARN L250 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_35f8b0b6-7f5f-435c-881f-468d00007111/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i[915,928] [2024-11-09 01:09:55,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:09:55,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:09:55,486 WARN L250 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_35f8b0b6-7f5f-435c-881f-468d00007111/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i[915,928] [2024-11-09 01:09:55,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:09:55,573 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:09:55,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55 WrapperNode [2024-11-09 01:09:55,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:09:55,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:09:55,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:09:55,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:09:55,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,641 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2024-11-09 01:09:55,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:09:55,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:09:55,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:09:55,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:09:55,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,658 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:09:55,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:09:55,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:09:55,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:09:55,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (1/1) ... [2024-11-09 01:09:55,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:09:55,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:09:55,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:09:55,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:09:55,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:09:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:09:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:09:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:09:55,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:09:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:09:55,887 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:09:55,890 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:09:56,326 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:09:56,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:09:56,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:09:56,555 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:09:56,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:56 BoogieIcfgContainer [2024-11-09 01:09:56,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:09:56,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:09:56,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:09:56,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:09:56,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:09:55" (1/3) ... [2024-11-09 01:09:56,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ed70cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:09:56, skipping insertion in model container [2024-11-09 01:09:56,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:09:55" (2/3) ... [2024-11-09 01:09:56,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ed70cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:09:56, skipping insertion in model container [2024-11-09 01:09:56,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:56" (3/3) ... [2024-11-09 01:09:56,567 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-79.i [2024-11-09 01:09:56,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:09:56,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:09:56,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:09:56,668 INFO L333 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, 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;@171ad8e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:09:56,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:09:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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) [2024-11-09 01:09:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 01:09:56,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:09:56,681 INFO L215 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, 1, 1, 1] [2024-11-09 01:09:56,682 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:09:56,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:09:56,686 INFO L85 PathProgramCache]: Analyzing trace with hash -80740860, now seen corresponding path program 1 times [2024-11-09 01:09:56,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:09:56,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787654579] [2024-11-09 01:09:56,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:09:56,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:09:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:09:57,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767226857] [2024-11-09 01:09:57,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:09:57,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:09:57,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:09:57,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:09:57,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:09:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:09:57,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:09:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:09:57,699 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:09:57,702 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:09:57,703 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:09:57,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:09:57,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 01:09:57,910 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:09:58,040 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:09:58,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:09:58 BoogieIcfgContainer [2024-11-09 01:09:58,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:09:58,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:09:58,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:09:58,045 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:09:58,045 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:09:56" (3/4) ... [2024-11-09 01:09:58,048 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:09:58,049 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:09:58,050 INFO L158 Benchmark]: Toolchain (without parser) took 2895.74ms. Allocated memory is still 222.3MB. Free memory was 190.3MB in the beginning and 135.4MB in the end (delta: 54.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-09 01:09:58,052 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:58,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.69ms. Allocated memory is still 222.3MB. Free memory was 189.7MB in the beginning and 173.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:09:58,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.37ms. Allocated memory is still 222.3MB. Free memory was 173.5MB in the beginning and 168.7MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:09:58,055 INFO L158 Benchmark]: Boogie Preprocessor took 41.28ms. Allocated memory is still 222.3MB. Free memory was 168.7MB in the beginning and 166.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:09:58,055 INFO L158 Benchmark]: RCFGBuilder took 871.01ms. Allocated memory is still 222.3MB. Free memory was 166.6MB in the beginning and 187.8MB in the end (delta: -21.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-09 01:09:58,056 INFO L158 Benchmark]: TraceAbstraction took 1486.29ms. Allocated memory is still 222.3MB. Free memory was 187.8MB in the beginning and 135.4MB in the end (delta: 52.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-09 01:09:58,057 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 222.3MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:09:58,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.69ms. Allocated memory is still 222.3MB. Free memory was 189.7MB in the beginning and 173.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.37ms. Allocated memory is still 222.3MB. Free memory was 173.5MB in the beginning and 168.7MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.28ms. Allocated memory is still 222.3MB. Free memory was 168.7MB in the beginning and 166.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 871.01ms. Allocated memory is still 222.3MB. Free memory was 166.6MB in the beginning and 187.8MB in the end (delta: -21.2MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1486.29ms. Allocated memory is still 222.3MB. Free memory was 187.8MB in the beginning and 135.4MB in the end (delta: 52.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 222.3MB. Free memory is still 135.4MB. 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 70, overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someUnaryDOUBLEoperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 50; [L26] unsigned char var_1_8 = 0; [L27] double var_1_9 = 127.625; [L28] double var_1_10 = 256.8; [L29] double var_1_11 = 0.30000000000000004; [L30] signed long int var_1_12 = -2; [L31] double var_1_13 = 2.475; [L32] double var_1_14 = 25.2; [L33] double var_1_15 = 500.125; [L34] double var_1_16 = 10.75; [L35] double var_1_17 = 255.4; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 100; [L39] unsigned char var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_23 = 1; [L42] unsigned char var_1_24 = 8; [L43] unsigned char var_1_25 = 10; [L44] float var_1_26 = 16.8; [L45] unsigned long int var_1_27 = 64; [L46] unsigned char last_1_var_1_18 = 1; [L47] unsigned char last_1_var_1_20 = 100; [L149] isInitial = 1 [L150] FCALL initially() [L151] COND TRUE 1 [L152] CALL updateLastVariables() [L141] last_1_var_1_18 = var_1_18 [L142] last_1_var_1_20 = var_1_20 [L152] RET updateLastVariables() [L153] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L101] var_1_3 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L103] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L104] var_1_8 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_9=1021/8] [L106] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L107] var_1_10 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L109] var_1_11 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L113] var_1_14 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L115] var_1_15 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L117] var_1_16 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L119] var_1_17 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L121] var_1_19 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L123] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L124] var_1_21 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L126] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L127] var_1_22 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L129] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L130] var_1_23 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L132] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L133] var_1_24 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L135] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L136] var_1_25 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L138] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_25=-385, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_25=-385, var_1_26=84/5, var_1_27=64, var_1_2=1, var_1_3=0, var_1_7=50, var_1_8=261, var_1_9=1021/8] [L153] RET updateVariables() [L154] CALL step() [L51] signed long int stepLocal_1 = last_1_var_1_20; [L52] unsigned char stepLocal_0 = last_1_var_1_18; [L53] COND TRUE stepLocal_0 && last_1_var_1_18 [L54] COND FALSE !(((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > stepLocal_1) [L57] var_1_7 = var_1_8 [L62] COND FALSE !(\read(var_1_3)) [L67] var_1_26 = var_1_16 [L68] var_1_27 = 10u [L69] COND TRUE var_1_8 >= var_1_7 [L70] COND TRUE var_1_15 >= var_1_26 [L71] var_1_20 = (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))) [L78] COND TRUE \read(var_1_18) [L79] COND FALSE !(! var_1_18) [L82] var_1_1 = (var_1_20 - var_1_20) [L87] unsigned long int stepLocal_2 = var_1_27; [L88] COND FALSE !(stepLocal_2 != (var_1_8 + var_1_7)) [L91] var_1_9 = ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))) [L93] COND TRUE (var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17)) [L94] var_1_12 = (var_1_20 + var_1_20) [L154] RET step() [L155] CALL, EXPR property() [L145-L146] return (((((((var_1_18 ? ((! var_1_18) ? (var_1_1 == ((signed short int) (var_1_7 + 5))) : (var_1_1 == ((signed short int) (var_1_20 - var_1_20)))) : (var_1_1 == ((signed short int) var_1_20))) && ((last_1_var_1_18 && last_1_var_1_18) ? ((((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > last_1_var_1_20) ? (var_1_7 == ((unsigned char) var_1_8)) : (var_1_7 == ((unsigned char) var_1_8))) : (var_1_7 == ((unsigned char) var_1_8)))) && ((var_1_27 != (var_1_8 + var_1_7)) ? (var_1_9 == ((double) ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))))) : (var_1_9 == ((double) ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))))))) && (((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) ? (var_1_12 == ((signed long int) (var_1_20 + var_1_20))) : 1)) && (var_1_3 ? (var_1_2 ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1) : 1)) && ((var_1_8 >= var_1_7) ? ((var_1_15 >= var_1_26) ? (var_1_20 == ((unsigned char) (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))))) : (var_1_20 == ((unsigned char) var_1_24))) : (var_1_20 == ((unsigned char) var_1_22)))) && (var_1_26 == ((float) var_1_16))) && (var_1_27 == ((unsigned long int) 10u)) ; [L155] RET, EXPR property() [L155] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=2, var_1_12=252, var_1_16=3, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=126, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_25=-385, var_1_26=3, var_1_27=10, var_1_2=1, var_1_3=0, var_1_7=261, var_1_8=261, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=2, var_1_12=252, var_1_16=3, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=126, var_1_21=509, var_1_22=-129, var_1_23=-129, var_1_24=-130, var_1_25=-385, var_1_26=3, var_1_27=10, var_1_2=1, var_1_3=0, var_1_7=261, var_1_8=261, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 01:09:58,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje --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 c437622ad3301dde41e7b43fcb49e381287ff2782f6f1589dae9a032bc46257a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:10:00,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:10:00,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:10:00,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:10:00,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:10:00,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:10:00,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:10:00,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:10:00,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:10:00,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:10:00,700 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:10:00,700 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:10:00,701 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:10:00,701 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:10:00,705 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:10:00,705 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:10:00,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:10:00,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:10:00,707 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:10:00,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:10:00,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:10:00,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:10:00,708 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:10:00,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:10:00,708 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:10:00,709 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:10:00,709 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:10:00,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:10:00,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:10:00,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:10:00,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:10:00,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:10:00,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:10:00,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:10:00,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:10:00,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:10:00,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:10:00,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:10:00,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:10:00,714 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:10:00,715 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:10:00,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:10:00,716 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:10:00,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c437622ad3301dde41e7b43fcb49e381287ff2782f6f1589dae9a032bc46257a [2024-11-09 01:10:01,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:10:01,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:10:01,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:10:01,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:10:01,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:10:01,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i Unable to find full path for "g++" [2024-11-09 01:10:03,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:10:03,549 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:10:03,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i [2024-11-09 01:10:03,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data/dc2021e3c/dc7c155b78f548a8b62f0474ce2fe212/FLAG896d1917c [2024-11-09 01:10:03,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/data/dc2021e3c/dc7c155b78f548a8b62f0474ce2fe212 [2024-11-09 01:10:03,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:10:03,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:10:03,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:10:03,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:10:03,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:10:03,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:10:03" (1/1) ... [2024-11-09 01:10:03,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25890be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:03, skipping insertion in model container [2024-11-09 01:10:03,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:10:03" (1/1) ... [2024-11-09 01:10:03,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:10:03,851 WARN L250 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_35f8b0b6-7f5f-435c-881f-468d00007111/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i[915,928] [2024-11-09 01:10:03,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:10:03,962 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:10:03,980 WARN L250 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_35f8b0b6-7f5f-435c-881f-468d00007111/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-79.i[915,928] [2024-11-09 01:10:04,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:10:04,061 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:10:04,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04 WrapperNode [2024-11-09 01:10:04,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:10:04,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:10:04,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:10:04,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:10:04,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,134 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2024-11-09 01:10:04,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:10:04,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:10:04,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:10:04,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:10:04,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:10:04,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:10:04,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:10:04,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:10:04,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2024-11-09 01:10:04,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:10:04,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:10:04,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:10:04,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:10:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:10:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:10:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:10:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:10:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:10:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:10:04,384 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:10:04,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:10:11,027 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 01:10:11,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:10:11,039 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:10:11,040 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:10:11,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:10:11 BoogieIcfgContainer [2024-11-09 01:10:11,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:10:11,042 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:10:11,043 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:10:11,046 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:10:11,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:10:03" (1/3) ... [2024-11-09 01:10:11,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ff5c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:10:11, skipping insertion in model container [2024-11-09 01:10:11,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (2/3) ... [2024-11-09 01:10:11,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ff5c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:10:11, skipping insertion in model container [2024-11-09 01:10:11,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:10:11" (3/3) ... [2024-11-09 01:10:11,049 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-79.i [2024-11-09 01:10:11,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:10:11,066 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:10:11,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:10:11,133 INFO L333 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, 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;@73d8f643, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:10:11,133 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:10:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 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) [2024-11-09 01:10:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-09 01:10:11,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:11,163 INFO L215 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, 1] [2024-11-09 01:10:11,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:11,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1162627078, now seen corresponding path program 1 times [2024-11-09 01:10:11,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:10:11,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978738623] [2024-11-09 01:10:11,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:11,182 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 [2024-11-09 01:10:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:10:11,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:10:11,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:10:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:11,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:10:11,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:13,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 01:10:13,085 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:10:13,086 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:10:13,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978738623] [2024-11-09 01:10:13,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978738623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:10:13,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:10:13,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:10:13,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031796571] [2024-11-09 01:10:13,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:10:13,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:10:13,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:10:13,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:10:13,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:10:13,120 INFO L87 Difference]: Start difference. First operand has 72 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 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 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-09 01:10:15,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:17,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:19,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:22,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:22,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:22,071 INFO L93 Difference]: Finished difference Result 217 states and 389 transitions. [2024-11-09 01:10:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:10:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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 158 [2024-11-09 01:10:22,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:22,109 INFO L225 Difference]: With dead ends: 217 [2024-11-09 01:10:22,109 INFO L226 Difference]: Without dead ends: 148 [2024-11-09 01:10:22,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 01:10:22,115 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 81 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:22,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 348 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 73 Invalid, 4 Unknown, 0 Unchecked, 8.8s Time] [2024-11-09 01:10:22,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-09 01:10:22,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 131. [2024-11-09 01:10:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 78 states have (on average 1.2435897435897436) internal successors, (97), 78 states have internal predecessors, (97), 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) [2024-11-09 01:10:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 197 transitions. [2024-11-09 01:10:22,193 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 197 transitions. Word has length 158 [2024-11-09 01:10:22,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:22,197 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 197 transitions. [2024-11-09 01:10:22,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-09 01:10:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2024-11-09 01:10:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 01:10:22,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:22,201 INFO L215 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, 1, 1, 1] [2024-11-09 01:10:22,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 01:10:22,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:10:22,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:22,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:22,404 INFO L85 PathProgramCache]: Analyzing trace with hash 197684694, now seen corresponding path program 1 times [2024-11-09 01:10:22,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:10:22,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979190947] [2024-11-09 01:10:22,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:22,405 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 [2024-11-09 01:10:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:10:22,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:10:22,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:10:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:22,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:10:22,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-09 01:10:22,945 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:10:22,945 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:10:22,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979190947] [2024-11-09 01:10:22,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979190947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:10:22,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:10:22,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:10:22,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458888965] [2024-11-09 01:10:22,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:10:22,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:10:22,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:10:22,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:10:22,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:10:22,951 INFO L87 Difference]: Start difference. First operand 131 states and 197 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-09 01:10:25,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:25,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:25,168 INFO L93 Difference]: Finished difference Result 275 states and 409 transitions. [2024-11-09 01:10:25,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:10:25,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 160 [2024-11-09 01:10:25,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:25,176 INFO L225 Difference]: With dead ends: 275 [2024-11-09 01:10:25,176 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 01:10:25,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:10:25,182 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 34 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:25,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 182 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2024-11-09 01:10:25,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 01:10:25,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 146. [2024-11-09 01:10:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 87 states have (on average 1.1954022988505748) internal successors, (104), 88 states have internal predecessors, (104), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 01:10:25,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 212 transitions. [2024-11-09 01:10:25,243 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 212 transitions. Word has length 160 [2024-11-09 01:10:25,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:25,246 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 212 transitions. [2024-11-09 01:10:25,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-09 01:10:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2024-11-09 01:10:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 01:10:25,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:25,252 INFO L215 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, 1, 1, 1, 1] [2024-11-09 01:10:25,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:10:25,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:10:25,453 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:25,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:25,454 INFO L85 PathProgramCache]: Analyzing trace with hash 2038625249, now seen corresponding path program 1 times [2024-11-09 01:10:25,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:10:25,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806673301] [2024-11-09 01:10:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:25,456 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 [2024-11-09 01:10:25,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:10:25,459 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:10:25,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:10:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:25,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 01:10:25,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-09 01:10:26,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:10:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-09 01:10:27,420 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:10:27,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806673301] [2024-11-09 01:10:27,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806673301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:10:27,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1758073304] [2024-11-09 01:10:27,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:27,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:10:27,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:10:27,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:10:27,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 01:10:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:28,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:10:28,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-09 01:10:29,537 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:10:30,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-09 01:10:30,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1758073304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:10:30,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281909225] [2024-11-09 01:10:30,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:30,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:30,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:10:30,209 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:10:30,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 01:10:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:30,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 01:10:30,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:10:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-09 01:10:32,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:10:33,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-09 01:10:33,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281909225] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 01:10:33,438 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 01:10:33,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 16 [2024-11-09 01:10:33,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768069119] [2024-11-09 01:10:33,439 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 01:10:33,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 01:10:33,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:10:33,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 01:10:33,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-09 01:10:33,442 INFO L87 Difference]: Start difference. First operand 146 states and 212 transitions. Second operand has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2024-11-09 01:10:36,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:38,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:40,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:10:40,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:10:40,668 INFO L93 Difference]: Finished difference Result 235 states and 331 transitions. [2024-11-09 01:10:40,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 01:10:40,669 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) Word has length 161 [2024-11-09 01:10:40,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:10:40,673 INFO L225 Difference]: With dead ends: 235 [2024-11-09 01:10:40,673 INFO L226 Difference]: Without dead ends: 166 [2024-11-09 01:10:40,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 969 GetRequests, 944 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-09 01:10:40,675 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 278 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 252 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-09 01:10:40,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 140 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 151 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2024-11-09 01:10:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-09 01:10:40,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 154. [2024-11-09 01:10:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 93 states have (on average 1.1612903225806452) internal successors, (108), 94 states have internal predecessors, (108), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-09 01:10:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 216 transitions. [2024-11-09 01:10:40,704 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 216 transitions. Word has length 161 [2024-11-09 01:10:40,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:10:40,706 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 216 transitions. [2024-11-09 01:10:40,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2024-11-09 01:10:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 216 transitions. [2024-11-09 01:10:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-09 01:10:40,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:10:40,714 INFO L215 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, 1, 1, 1, 1] [2024-11-09 01:10:40,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 01:10:40,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 01:10:41,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 01:10:41,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:10:41,315 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:10:41,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:10:41,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1111131762, now seen corresponding path program 1 times [2024-11-09 01:10:41,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:10:41,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234816456] [2024-11-09 01:10:41,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:10:41,319 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 [2024-11-09 01:10:41,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:10:41,322 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 01:10:41,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f8b0b6-7f5f-435c-881f-468d00007111/bin/utaipan-verify-YMUCfTKeje/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 (7)] Waiting until timeout for monitored process [2024-11-09 01:10:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:10:41,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 01:10:41,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:39,683 WARN L286 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 110 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:12:31,641 WARN L286 SmtUtils]: Spent 6.81s on a formula simplification that was a NOOP. DAG size: 116 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:13:08,008 WARN L286 SmtUtils]: Spent 7.39s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:13:53,696 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 01:14:37,941 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)