./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 731a50c3ad3ae6f9ff7b1b7184a0c63ba8d981ab93f9514804edd7dd5e5d73f5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:11:11,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:11:11,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:11:11,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:11:11,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:11:12,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:11:12,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:11:12,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:11:12,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:11:12,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:11:12,038 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:11:12,038 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:11:12,039 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:11:12,039 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:11:12,039 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:11:12,040 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:11:12,040 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:11:12,040 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:11:12,041 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:11:12,041 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:11:12,041 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:11:12,046 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:11:12,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:11:12,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:11:12,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:11:12,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:11:12,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:11:12,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:11:12,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:11:12,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:11:12,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:11:12,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:11:12,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:11:12,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:11:12,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:11:12,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:11:12,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:11:12,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:11:12,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:12,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:11:12,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:11:12,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:11:12,056 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:11:12,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:11:12,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:11:12,057 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:11:12,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:11:12,058 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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 731a50c3ad3ae6f9ff7b1b7184a0c63ba8d981ab93f9514804edd7dd5e5d73f5 [2024-11-09 01:11:12,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:11:12,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:11:12,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:11:12,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:11:12,450 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:11:12,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i Unable to find full path for "g++" [2024-11-09 01:11:14,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:11:14,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:11:14,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i [2024-11-09 01:11:14,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data/5110e8890/83f0d5997d624212911950793d64a764/FLAGd4881664f [2024-11-09 01:11:15,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data/5110e8890/83f0d5997d624212911950793d64a764 [2024-11-09 01:11:15,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:11:15,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:11:15,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:15,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:11:15,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:11:15,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c46adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15, skipping insertion in model container [2024-11-09 01:11:15,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:11:15,302 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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i[916,929] [2024-11-09 01:11:15,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:15,398 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:11:15,411 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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i[916,929] [2024-11-09 01:11:15,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:15,484 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:11:15,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15 WrapperNode [2024-11-09 01:11:15,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:15,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:15,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:11:15,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:11:15,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,558 INFO L138 Inliner]: procedures = 29, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 618 [2024-11-09 01:11:15,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:15,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:11:15,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:11:15,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:11:15,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:11:15,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:11:15,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:11:15,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:11:15,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (1/1) ... [2024-11-09 01:11:15,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:15,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:11:15,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:11:15,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:11:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:11:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 01:11:15,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 01:11:15,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 01:11:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 01:11:15,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-09 01:11:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:11:15,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:11:15,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:11:15,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:11:15,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:11:15,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:11:15,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:11:16,704 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-11-09 01:11:16,704 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:11:17,361 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:11:17,361 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:11:17,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:17 BoogieIcfgContainer [2024-11-09 01:11:17,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:11:17,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:11:17,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:11:17,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:11:17,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:11:15" (1/3) ... [2024-11-09 01:11:17,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c47f901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:17, skipping insertion in model container [2024-11-09 01:11:17,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:15" (2/3) ... [2024-11-09 01:11:17,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c47f901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:17, skipping insertion in model container [2024-11-09 01:11:17,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:17" (3/3) ... [2024-11-09 01:11:17,375 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-11.i [2024-11-09 01:11:17,394 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:11:17,394 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:11:17,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:11:17,487 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;@273c5e14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:11:17,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:11:17,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 01:11:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 01:11:17,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:17,503 INFO L215 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:17,504 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:11:17,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:17,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1167149499, now seen corresponding path program 1 times [2024-11-09 01:11:17,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:11:17,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874065980] [2024-11-09 01:11:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:17,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:11:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:11:20,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 01:11:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 01:11:23,546 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 01:11:23,548 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 01:11:23,550 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:11:23,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 01:11:23,557 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 01:11:23,736 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:11:23,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:11:23 BoogieIcfgContainer [2024-11-09 01:11:23,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:11:23,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:11:23,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:11:23,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:11:23,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:17" (3/4) ... [2024-11-09 01:11:23,752 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 01:11:23,754 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:11:23,756 INFO L158 Benchmark]: Toolchain (without parser) took 8682.52ms. Allocated memory was 163.6MB in the beginning and 429.9MB in the end (delta: 266.3MB). Free memory was 135.2MB in the beginning and 266.2MB in the end (delta: -131.0MB). Peak memory consumption was 135.0MB. Max. memory is 16.1GB. [2024-11-09 01:11:23,757 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:11:23,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.19ms. Allocated memory is still 163.6MB. Free memory was 134.9MB in the beginning and 118.5MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 01:11:23,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.42ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 114.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:11:23,759 INFO L158 Benchmark]: Boogie Preprocessor took 53.84ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:11:23,760 INFO L158 Benchmark]: RCFGBuilder took 1748.08ms. Allocated memory is still 163.6MB. Free memory was 111.2MB in the beginning and 85.2MB in the end (delta: 26.1MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-11-09 01:11:23,761 INFO L158 Benchmark]: TraceAbstraction took 6381.76ms. Allocated memory was 163.6MB in the beginning and 429.9MB in the end (delta: 266.3MB). Free memory was 85.2MB in the beginning and 267.3MB in the end (delta: -182.1MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2024-11-09 01:11:23,761 INFO L158 Benchmark]: Witness Printer took 8.13ms. Allocated memory is still 429.9MB. Free memory is still 266.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:11:23,766 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.19ms. Allocated memory is still 163.6MB. Free memory was 134.9MB in the beginning and 118.5MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.42ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 114.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.84ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 111.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1748.08ms. Allocated memory is still 163.6MB. Free memory was 111.2MB in the beginning and 85.2MB in the end (delta: 26.1MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6381.76ms. Allocated memory was 163.6MB in the beginning and 429.9MB in the end (delta: 266.3MB). Free memory was 85.2MB in the beginning and 267.3MB in the end (delta: -182.1MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. * Witness Printer took 8.13ms. Allocated memory is still 429.9MB. Free memory is still 266.2MB. 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 54, overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] double var_1_2 = 50.75; [L25] double* var_1_2_Pointer = &(var_1_2); [L26] double var_1_3 = 7.675; [L27] double* var_1_3_Pointer = &(var_1_3); [L28] signed char var_1_7 = 10; [L29] signed char* var_1_7_Pointer = &(var_1_7); [L30] float var_1_8 = 32.5; [L31] float* var_1_8_Pointer = &(var_1_8); [L32] float var_1_9 = 1000000.7; [L33] float* var_1_9_Pointer = &(var_1_9); [L34] float var_1_10 = 2.4; [L35] float* var_1_10_Pointer = &(var_1_10); [L36] unsigned char var_1_11 = 1; [L37] unsigned char* var_1_11_Pointer = &(var_1_11); [L38] unsigned char var_1_12 = 1; [L39] unsigned char* var_1_12_Pointer = &(var_1_12); [L40] unsigned char var_1_13 = 1; [L41] unsigned char* var_1_13_Pointer = &(var_1_13); [L42] unsigned char var_1_14 = 5; [L43] unsigned char* var_1_14_Pointer = &(var_1_14); [L44] unsigned char var_1_15 = 200; [L45] unsigned char* var_1_15_Pointer = &(var_1_15); [L46] unsigned char var_1_16 = 10; [L47] unsigned char* var_1_16_Pointer = &(var_1_16); [L48] unsigned char var_1_17 = 1; [L49] unsigned char* var_1_17_Pointer = &(var_1_17); [L50] unsigned char last_1_var_1_11 = 1; [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] CALL updateLastVariables() [L111] EXPR \read(var_1_11) [L111] last_1_var_1_11 = var_1_11 [L121] RET updateLastVariables() [L122] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_double() [L84] EXPR \read(var_1_2) [L84] EXPR var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F [L84] EXPR (var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) [L84] EXPR \read(var_1_2) [L84] EXPR var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F [L84] EXPR \read(var_1_2) [L84] EXPR var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F [L84] EXPR (var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] var_1_3 = __VERIFIER_nondet_double() [L86] EXPR \read(var_1_3) [L86] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F [L86] EXPR \read(var_1_3) [L86] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F [L86] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] var_1_7 = __VERIFIER_nondet_char() [L88] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] var_1_9 = __VERIFIER_nondet_float() [L91] EXPR \read(var_1_9) [L91] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F [L91] EXPR (var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) [L91] EXPR \read(var_1_9) [L91] EXPR var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F [L91] EXPR \read(var_1_9) [L91] EXPR var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F [L91] EXPR (var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] var_1_10 = __VERIFIER_nondet_float() [L93] EXPR \read(var_1_10) [L93] EXPR var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F [L93] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) [L93] EXPR \read(var_1_10) [L93] EXPR var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F [L93] EXPR \read(var_1_10) [L93] EXPR var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F [L93] EXPR (var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] var_1_12 = __VERIFIER_nondet_uchar() [L95] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] var_1_15 = __VERIFIER_nondet_uchar() [L101] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] var_1_16 = __VERIFIER_nondet_uchar() [L104] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L104] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L105] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L105] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L106] var_1_17 = __VERIFIER_nondet_uchar() [L107] EXPR \read(var_1_17) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] EXPR \read(var_1_17) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] RET updateVariables() [L123] CALL step() [L54] EXPR \read(*var_1_3_Pointer) [L54] EXPR \read(*var_1_2_Pointer) [L54] COND FALSE !((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) [L63] EXPR \read(*var_1_8_Pointer) [L63] EXPR \read(*var_1_8_Pointer) [L63] COND FALSE !((*(var_1_8_Pointer)) <= (*(var_1_8_Pointer))) [L66] EXPR \read(*var_1_11_Pointer) [L66] unsigned char stepLocal_0 = (*(var_1_11_Pointer)); [L67] EXPR \read(*var_1_2_Pointer) [L67] EXPR \read(*var_1_8_Pointer) [L67] EXPR \read(*var_1_8_Pointer) [L67] COND TRUE ((*(var_1_2_Pointer)) - 5.25) < ((*(var_1_8_Pointer)) * ((*(var_1_8_Pointer)) * 199.4)) [L68] stepLocal_0 && (*(var_1_11_Pointer)) [L68] EXPR \read(*var_1_11_Pointer) [L68] stepLocal_0 && (*(var_1_11_Pointer)) [L68] COND TRUE stepLocal_0 && (*(var_1_11_Pointer)) [L69] EXPR \read(*var_1_8_Pointer) [L69] EXPR \read(*var_1_8_Pointer) [L69] COND TRUE (*(var_1_8_Pointer)) < (*(var_1_8_Pointer)) [L70] EXPR \read(*var_1_7_Pointer) [L70] (*(var_1_1_Pointer)) = (*(var_1_7_Pointer)) [L76] EXPR \read(*var_1_11_Pointer) [L76] COND FALSE !(! (*(var_1_11_Pointer))) [L79] EXPR \read(*var_1_16_Pointer) [L79] (*(var_1_14_Pointer)) = (*(var_1_16_Pointer)) [L123] RET step() [L124] CALL, EXPR property() [L114] EXPR \read(*var_1_2_Pointer) [L114] EXPR \read(*var_1_8_Pointer) [L114] EXPR \read(*var_1_8_Pointer) [L114] EXPR (((*(var_1_2_Pointer)) - 5.25) < ((*(var_1_8_Pointer)) * ((*(var_1_8_Pointer)) * 199.4))) ? (((*(var_1_11_Pointer)) && (*(var_1_11_Pointer))) ? (((*(var_1_8_Pointer)) < (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : 1) : 1 [L114] EXPR ((((*(var_1_2_Pointer)) - 5.25) < ((*(var_1_8_Pointer)) * ((*(var_1_8_Pointer)) * 199.4))) ? (((*(var_1_11_Pointer)) && (*(var_1_11_Pointer))) ? (((*(var_1_8_Pointer)) < (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : 1) : 1) && (((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1) : 1) [L114] EXPR \read(*var_1_3_Pointer) [L114] EXPR \read(*var_1_2_Pointer) [L114] EXPR ((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1) : 1 [L114] EXPR last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1 [L114] EXPR (! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer)))) [L114] EXPR \read(*var_1_8_Pointer) [L114] EXPR \read(*var_1_9_Pointer) [L114] EXPR (! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer)))) [L114] EXPR last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1 [L114] EXPR ((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1) : 1 [L114] EXPR ((((*(var_1_2_Pointer)) - 5.25) < ((*(var_1_8_Pointer)) * ((*(var_1_8_Pointer)) * 199.4))) ? (((*(var_1_11_Pointer)) && (*(var_1_11_Pointer))) ? (((*(var_1_8_Pointer)) < (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : 1) : 1) && (((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1) : 1) [L114] EXPR (((((*(var_1_2_Pointer)) - 5.25) < ((*(var_1_8_Pointer)) * ((*(var_1_8_Pointer)) * 199.4))) ? (((*(var_1_11_Pointer)) && (*(var_1_11_Pointer))) ? (((*(var_1_8_Pointer)) < (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : 1) : 1) && (((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1) : 1)) && (((*(var_1_8_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_12_Pointer)) || (*(var_1_13_Pointer))))) : 1) [L114] EXPR ((((((*(var_1_2_Pointer)) - 5.25) < ((*(var_1_8_Pointer)) * ((*(var_1_8_Pointer)) * 199.4))) ? (((*(var_1_11_Pointer)) && (*(var_1_11_Pointer))) ? (((*(var_1_8_Pointer)) < (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : 1) : 1) && (((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1) : 1)) && (((*(var_1_8_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_12_Pointer)) || (*(var_1_13_Pointer))))) : 1)) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (((((((((*(var_1_15_Pointer))) < ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))) ? ((*(var_1_15_Pointer))) : ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))))) < ((*(var_1_17_Pointer)))) ? ((((((*(var_1_15_Pointer))) < ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))) ? ((*(var_1_15_Pointer))) : ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))))) : ((*(var_1_17_Pointer))))))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) [L114-L115] return ((((((*(var_1_2_Pointer)) - 5.25) < ((*(var_1_8_Pointer)) * ((*(var_1_8_Pointer)) * 199.4))) ? (((*(var_1_11_Pointer)) && (*(var_1_11_Pointer))) ? (((*(var_1_8_Pointer)) < (*(var_1_8_Pointer))) ? ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer)))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_7_Pointer))))) : 1) : 1) && (((*(var_1_3_Pointer)) >= (*(var_1_2_Pointer))) ? (last_1_var_1_11 ? ((! last_1_var_1_11) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((10.25f + (*(var_1_10_Pointer))))) ? ((*(var_1_9_Pointer))) : ((10.25f + (*(var_1_10_Pointer)))))))) : ((*(var_1_8_Pointer)) == ((float) (*(var_1_9_Pointer))))) : 1) : 1)) && (((*(var_1_8_Pointer)) <= (*(var_1_8_Pointer))) ? ((*(var_1_11_Pointer)) == ((unsigned char) ((*(var_1_12_Pointer)) || (*(var_1_13_Pointer))))) : 1)) && ((! (*(var_1_11_Pointer))) ? ((*(var_1_14_Pointer)) == ((unsigned char) (((((((((*(var_1_15_Pointer))) < ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))) ? ((*(var_1_15_Pointer))) : ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))))) < ((*(var_1_17_Pointer)))) ? ((((((*(var_1_15_Pointer))) < ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))) ? ((*(var_1_15_Pointer))) : ((((((*(var_1_16_Pointer))) > (5)) ? ((*(var_1_16_Pointer))) : (5))))))) : ((*(var_1_17_Pointer))))))) : ((*(var_1_14_Pointer)) == ((unsigned char) (*(var_1_16_Pointer))))) ; [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=1, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 1, TraceHistogramMax: 16, 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=41occurred 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, 2.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 01:11:23,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 731a50c3ad3ae6f9ff7b1b7184a0c63ba8d981ab93f9514804edd7dd5e5d73f5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:11:26,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:11:26,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 01:11:26,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:11:26,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:11:26,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:11:26,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:11:26,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:11:26,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:11:26,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:11:26,521 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:11:26,522 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:11:26,522 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:11:26,527 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:11:26,527 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:11:26,527 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:11:26,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:11:26,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:11:26,529 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:11:26,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:11:26,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:11:26,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:11:26,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:11:26,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:11:26,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 01:11:26,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 01:11:26,533 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:11:26,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 01:11:26,533 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:11:26,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:11:26,534 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:11:26,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:11:26,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 01:11:26,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:11:26,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:11:26,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:26,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:11:26,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:11:26,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:11:26,538 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 01:11:26,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 01:11:26,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:11:26,538 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:11:26,539 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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 731a50c3ad3ae6f9ff7b1b7184a0c63ba8d981ab93f9514804edd7dd5e5d73f5 [2024-11-09 01:11:26,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:11:26,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:11:26,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:11:26,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:11:26,973 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:11:26,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i Unable to find full path for "g++" [2024-11-09 01:11:29,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:11:29,263 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:11:29,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i [2024-11-09 01:11:29,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data/2b6ddaeb3/7d8e7d656f3a4dc78bfa4d51c2a2adf1/FLAG1fbbf3679 [2024-11-09 01:11:29,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/data/2b6ddaeb3/7d8e7d656f3a4dc78bfa4d51c2a2adf1 [2024-11-09 01:11:29,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:11:29,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:11:29,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:29,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:11:29,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:11:29,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:29" (1/1) ... [2024-11-09 01:11:29,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6671ac01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:29, skipping insertion in model container [2024-11-09 01:11:29,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:11:29" (1/1) ... [2024-11-09 01:11:29,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:11:29,924 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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i[916,929] [2024-11-09 01:11:30,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:30,056 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:11:30,071 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_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-11.i[916,929] [2024-11-09 01:11:30,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:11:30,169 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:11:30,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30 WrapperNode [2024-11-09 01:11:30,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:11:30,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:30,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:11:30,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:11:30,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,269 INFO L138 Inliner]: procedures = 33, calls = 182, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 617 [2024-11-09 01:11:30,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:11:30,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:11:30,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:11:30,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:11:30,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:11:30,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:11:30,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:11:30,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:11:30,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (1/1) ... [2024-11-09 01:11:30,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:11:30,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:11:30,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:11:30,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:11:30,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:11:30,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-09 01:11:30,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-09 01:11:30,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-09 01:11:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 01:11:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 01:11:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-09 01:11:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 01:11:30,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-09 01:11:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:11:30,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:11:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:11:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:11:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-09 01:11:30,650 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:11:30,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:11:40,974 INFO L? ?]: Removed 165 outVars from TransFormulas that were not future-live. [2024-11-09 01:11:40,975 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:11:40,992 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:11:40,992 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:11:40,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:40 BoogieIcfgContainer [2024-11-09 01:11:40,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:11:40,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:11:40,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:11:40,999 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:11:41,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:11:29" (1/3) ... [2024-11-09 01:11:41,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa5854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:41, skipping insertion in model container [2024-11-09 01:11:41,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:11:30" (2/3) ... [2024-11-09 01:11:41,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa5854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:11:41, skipping insertion in model container [2024-11-09 01:11:41,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:11:40" (3/3) ... [2024-11-09 01:11:41,003 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-11.i [2024-11-09 01:11:41,020 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:11:41,020 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:11:41,096 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:11:41,103 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;@6b4c344, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:11:41,103 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:11:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 120 states have (on average 1.4666666666666666) internal successors, (176), 121 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 01:11:41,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-09 01:11:41,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:41,124 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:41,124 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:11:41,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:41,129 INFO L85 PathProgramCache]: Analyzing trace with hash 316026558, now seen corresponding path program 1 times [2024-11-09 01:11:41,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:11:41,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979472045] [2024-11-09 01:11:41,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:41,147 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 01:11:41,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:11:41,151 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:41,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:11:42,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:11:42,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:11:42,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:11:42,877 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:11:42,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979472045] [2024-11-09 01:11:42,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979472045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:11:42,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:11:42,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:11:42,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315281206] [2024-11-09 01:11:42,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:11:42,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:11:42,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:11:42,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:11:42,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:11:42,918 INFO L87 Difference]: Start difference. First operand has 139 states, 120 states have (on average 1.4666666666666666) internal successors, (176), 121 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:43,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:11:43,122 INFO L93 Difference]: Finished difference Result 273 states and 429 transitions. [2024-11-09 01:11:43,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:11:43,125 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-09 01:11:43,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:11:43,136 INFO L225 Difference]: With dead ends: 273 [2024-11-09 01:11:43,136 INFO L226 Difference]: Without dead ends: 137 [2024-11-09 01:11:43,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:11:43,144 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:11:43,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 586 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:11:43,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-09 01:11:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2024-11-09 01:11:43,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 119 states have (on average 1.4369747899159664) internal successors, (171), 119 states have internal predecessors, (171), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 01:11:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 203 transitions. [2024-11-09 01:11:43,198 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 203 transitions. Word has length 133 [2024-11-09 01:11:43,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:11:43,200 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 203 transitions. [2024-11-09 01:11:43,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:43,201 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2024-11-09 01:11:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-09 01:11:43,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:43,205 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:43,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:43,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:43,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:11:43,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:43,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1364003582, now seen corresponding path program 1 times [2024-11-09 01:11:43,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:11:43,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251280004] [2024-11-09 01:11:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:43,409 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 01:11:43,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:11:43,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:43,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:11:44,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:11:44,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:11:44,822 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:11:44,822 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:11:44,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251280004] [2024-11-09 01:11:44,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251280004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:11:44,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:11:44,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:11:44,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828203836] [2024-11-09 01:11:44,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:11:44,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:11:44,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:11:44,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:11:44,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:11:44,828 INFO L87 Difference]: Start difference. First operand 137 states and 203 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:45,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:11:45,098 INFO L93 Difference]: Finished difference Result 274 states and 407 transitions. [2024-11-09 01:11:45,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:11:45,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-09 01:11:45,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:11:45,104 INFO L225 Difference]: With dead ends: 274 [2024-11-09 01:11:45,104 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 01:11:45,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:11:45,106 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:11:45,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 775 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:11:45,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 01:11:45,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-09 01:11:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 122 states have (on average 1.4262295081967213) internal successors, (174), 122 states have internal predecessors, (174), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 01:11:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 206 transitions. [2024-11-09 01:11:45,121 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 206 transitions. Word has length 135 [2024-11-09 01:11:45,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:11:45,126 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 206 transitions. [2024-11-09 01:11:45,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 206 transitions. [2024-11-09 01:11:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 01:11:45,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:45,131 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:45,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:45,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:45,332 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:11:45,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1969719709, now seen corresponding path program 1 times [2024-11-09 01:11:45,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:11:45,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577498388] [2024-11-09 01:11:45,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:45,334 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 01:11:45,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:11:45,337 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:45,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:11:46,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:11:46,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:11:46,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:11:46,772 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:11:46,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577498388] [2024-11-09 01:11:46,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577498388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:11:46,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:11:46,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 01:11:46,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776169191] [2024-11-09 01:11:46,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:11:46,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:11:46,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:11:46,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:11:46,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:11:46,777 INFO L87 Difference]: Start difference. First operand 140 states and 206 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:49,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:11:50,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:11:50,476 INFO L93 Difference]: Finished difference Result 278 states and 411 transitions. [2024-11-09 01:11:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:11:50,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-09 01:11:50,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:11:50,479 INFO L225 Difference]: With dead ends: 278 [2024-11-09 01:11:50,480 INFO L226 Difference]: Without dead ends: 141 [2024-11-09 01:11:50,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:11:50,482 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 1 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-09 01:11:50,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 499 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2024-11-09 01:11:50,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-09 01:11:50,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-09 01:11:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 123 states have (on average 1.4227642276422765) internal successors, (175), 123 states have internal predecessors, (175), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 01:11:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 207 transitions. [2024-11-09 01:11:50,497 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 207 transitions. Word has length 136 [2024-11-09 01:11:50,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:11:50,498 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 207 transitions. [2024-11-09 01:11:50,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:50,498 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2024-11-09 01:11:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 01:11:50,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:50,501 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:50,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:50,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:50,702 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:11:50,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:50,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1382913695, now seen corresponding path program 1 times [2024-11-09 01:11:50,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:11:50,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512225064] [2024-11-09 01:11:50,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:50,704 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 01:11:50,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:11:50,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:50,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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)] Waiting until timeout for monitored process [2024-11-09 01:11:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:11:51,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:11:51,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:11:51,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:11:51,947 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:11:51,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512225064] [2024-11-09 01:11:51,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512225064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:11:51,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:11:51,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:11:51,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153729018] [2024-11-09 01:11:51,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:11:51,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:11:51,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:11:51,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:11:51,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:11:51,951 INFO L87 Difference]: Start difference. First operand 141 states and 207 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:52,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:11:52,302 INFO L93 Difference]: Finished difference Result 282 states and 415 transitions. [2024-11-09 01:11:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:11:52,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-09 01:11:52,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:11:52,305 INFO L225 Difference]: With dead ends: 282 [2024-11-09 01:11:52,305 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 01:11:52,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:11:52,308 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 01:11:52,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 777 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 01:11:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 01:11:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 142. [2024-11-09 01:11:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.4193548387096775) internal successors, (176), 124 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-09 01:11:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 208 transitions. [2024-11-09 01:11:52,323 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 208 transitions. Word has length 136 [2024-11-09 01:11:52,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:11:52,324 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 208 transitions. [2024-11-09 01:11:52,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 208 transitions. [2024-11-09 01:11:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 01:11:52,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:11:52,327 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:11:52,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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)] Forceful destruction successful, exit code 0 [2024-11-09 01:11:52,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:52,528 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:11:52,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:11:52,528 INFO L85 PathProgramCache]: Analyzing trace with hash 576667287, now seen corresponding path program 1 times [2024-11-09 01:11:52,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:11:52,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798768565] [2024-11-09 01:11:52,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:11:52,530 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 01:11:52,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:11:52,534 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:11:52,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (6)] Waiting until timeout for monitored process [2024-11-09 01:11:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:11:53,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:11:53,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:11:53,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 01:11:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:11:55,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:11:55,496 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:11:55,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798768565] [2024-11-09 01:11:55,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798768565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:11:55,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:11:55,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:11:55,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339468865] [2024-11-09 01:11:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:11:55,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 01:11:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:11:55,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 01:11:55,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 01:11:55,500 INFO L87 Difference]: Start difference. First operand 142 states and 208 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:11:58,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:00,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:01,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:01,124 INFO L93 Difference]: Finished difference Result 417 states and 613 transitions. [2024-11-09 01:12:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 01:12:01,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-09 01:12:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:01,134 INFO L225 Difference]: With dead ends: 417 [2024-11-09 01:12:01,134 INFO L226 Difference]: Without dead ends: 278 [2024-11-09 01:12:01,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:12:01,136 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 113 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-09 01:12:01,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 493 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2024-11-09 01:12:01,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-09 01:12:01,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 243. [2024-11-09 01:12:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 208 states have (on average 1.4086538461538463) internal successors, (293), 208 states have internal predecessors, (293), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:12:01,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 357 transitions. [2024-11-09 01:12:01,161 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 357 transitions. Word has length 137 [2024-11-09 01:12:01,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:01,162 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 357 transitions. [2024-11-09 01:12:01,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:12:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 357 transitions. [2024-11-09 01:12:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-09 01:12:01,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:01,164 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:01,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (6)] Ended with exit code 0 [2024-11-09 01:12:01,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:01,366 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:01,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:01,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1388247244, now seen corresponding path program 1 times [2024-11-09 01:12:01,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:01,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035985171] [2024-11-09 01:12:01,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:01,367 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 01:12:01,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:01,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:01,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:02,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:12:02,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:12:02,847 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:02,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:02,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035985171] [2024-11-09 01:12:02,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035985171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:02,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:12:02,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:12:02,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058198647] [2024-11-09 01:12:02,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:02,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:12:02,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:02,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:12:02,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:12:02,857 INFO L87 Difference]: Start difference. First operand 243 states and 357 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:12:03,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:03,082 INFO L93 Difference]: Finished difference Result 385 states and 566 transitions. [2024-11-09 01:12:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:12:03,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-09 01:12:03,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:03,085 INFO L225 Difference]: With dead ends: 385 [2024-11-09 01:12:03,087 INFO L226 Difference]: Without dead ends: 246 [2024-11-09 01:12:03,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:12:03,089 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:12:03,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 776 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 01:12:03,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-09 01:12:03,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-09 01:12:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 211 states have (on average 1.4028436018957346) internal successors, (296), 211 states have internal predecessors, (296), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:12:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 360 transitions. [2024-11-09 01:12:03,145 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 360 transitions. Word has length 137 [2024-11-09 01:12:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:03,150 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 360 transitions. [2024-11-09 01:12:03,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:12:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 360 transitions. [2024-11-09 01:12:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-09 01:12:03,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:03,152 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:03,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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)] Ended with exit code 0 [2024-11-09 01:12:03,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:03,353 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:03,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:03,353 INFO L85 PathProgramCache]: Analyzing trace with hash 2044577986, now seen corresponding path program 1 times [2024-11-09 01:12:03,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:03,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702192282] [2024-11-09 01:12:03,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:03,354 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 01:12:03,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:03,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:03,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (8)] Waiting until timeout for monitored process [2024-11-09 01:12:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:04,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 01:12:04,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:04,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:12:04,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-11-09 01:12:04,979 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:12:04,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:04,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:04,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702192282] [2024-11-09 01:12:04,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702192282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:04,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:12:04,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:12:04,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019609700] [2024-11-09 01:12:04,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:04,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:12:04,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:04,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:12:04,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:12:04,983 INFO L87 Difference]: Start difference. First operand 246 states and 360 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:12:08,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:10,461 WARN L539 Checker$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 01:12:12,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:14,466 WARN L539 Checker$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 01:12:16,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:18,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:20,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:22,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:25,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:27,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:29,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:31,019 WARN L539 Checker$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 01:12:33,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:35,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:37,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:39,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:12:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:40,288 INFO L93 Difference]: Finished difference Result 484 states and 709 transitions. [2024-11-09 01:12:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 01:12:40,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 138 [2024-11-09 01:12:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:40,295 INFO L225 Difference]: With dead ends: 484 [2024-11-09 01:12:40,295 INFO L226 Difference]: Without dead ends: 248 [2024-11-09 01:12:40,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 01:12:40,297 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 195 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:12:40,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 594 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 16 Unknown, 0 Unchecked, 35.1s Time] [2024-11-09 01:12:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-09 01:12:40,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 246. [2024-11-09 01:12:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 211 states have (on average 1.3933649289099526) internal successors, (294), 211 states have internal predecessors, (294), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:12:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 358 transitions. [2024-11-09 01:12:40,314 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 358 transitions. Word has length 138 [2024-11-09 01:12:40,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:40,315 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 358 transitions. [2024-11-09 01:12:40,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:12:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 358 transitions. [2024-11-09 01:12:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 01:12:40,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:40,317 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:40,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (8)] Ended with exit code 0 [2024-11-09 01:12:40,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:40,518 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:40,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:40,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1708829224, now seen corresponding path program 1 times [2024-11-09 01:12:40,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:40,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219003984] [2024-11-09 01:12:40,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:40,519 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 01:12:40,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:40,522 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:40,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (9)] Waiting until timeout for monitored process [2024-11-09 01:12:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:41,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 01:12:41,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:41,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-11-09 01:12:41,830 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:12:41,830 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:12:41,831 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:41,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219003984] [2024-11-09 01:12:41,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219003984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:12:41,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:12:41,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 01:12:41,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084742084] [2024-11-09 01:12:41,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:12:41,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 01:12:41,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:12:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 01:12:41,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:12:41,833 INFO L87 Difference]: Start difference. First operand 246 states and 358 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:12:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:12:41,905 INFO L93 Difference]: Finished difference Result 395 states and 574 transitions. [2024-11-09 01:12:41,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 01:12:41,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-09 01:12:41,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:12:41,909 INFO L225 Difference]: With dead ends: 395 [2024-11-09 01:12:41,909 INFO L226 Difference]: Without dead ends: 246 [2024-11-09 01:12:41,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 01:12:41,911 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:12:41,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 392 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:12:41,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-09 01:12:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-09 01:12:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 211 states have (on average 1.3838862559241707) internal successors, (292), 211 states have internal predecessors, (292), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:12:41,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 356 transitions. [2024-11-09 01:12:41,927 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 356 transitions. Word has length 140 [2024-11-09 01:12:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:12:41,928 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 356 transitions. [2024-11-09 01:12:41,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:12:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 356 transitions. [2024-11-09 01:12:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-09 01:12:41,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:12:41,931 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:12:41,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (9)] Ended with exit code 0 [2024-11-09 01:12:42,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:42,132 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:12:42,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:12:42,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1122023210, now seen corresponding path program 1 times [2024-11-09 01:12:42,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:12:42,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [104188915] [2024-11-09 01:12:42,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:42,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 01:12:42,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:12:42,134 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:12:42,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (10)] Waiting until timeout for monitored process [2024-11-09 01:12:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:12:43,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:12:43,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:12:45,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:47,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:48,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:50,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:51,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:52,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:53,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:54,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:55,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:56,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:12:56,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-09 01:12:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:12:56,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:12:57,718 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:12:57,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [104188915] [2024-11-09 01:12:57,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [104188915] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:12:57,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1344428708] [2024-11-09 01:12:57,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:12:57,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:12:57,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:12:57,723 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:12:57,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 01:13:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:01,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 01:13:01,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:13:04,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2024-11-09 01:13:04,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 26 [2024-11-09 01:13:05,122 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:13:05,123 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:13:05,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1344428708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:13:05,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:13:05,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 18 [2024-11-09 01:13:05,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371928163] [2024-11-09 01:13:05,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:13:05,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 01:13:05,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:13:05,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 01:13:05,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=338, Unknown=3, NotChecked=0, Total=462 [2024-11-09 01:13:05,126 INFO L87 Difference]: Start difference. First operand 246 states and 356 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:13:09,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:13:11,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:13:13,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:13:15,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:13:17,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:13:19,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:13:21,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:13:23,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:13:26,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:13:26,202 INFO L93 Difference]: Finished difference Result 495 states and 716 transitions. [2024-11-09 01:13:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:13:26,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 140 [2024-11-09 01:13:26,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:13:26,210 INFO L225 Difference]: With dead ends: 495 [2024-11-09 01:13:26,210 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 01:13:26,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=127, Invalid=376, Unknown=3, NotChecked=0, Total=506 [2024-11-09 01:13:26,212 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 208 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2024-11-09 01:13:26,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 533 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 462 Invalid, 8 Unknown, 0 Unchecked, 20.8s Time] [2024-11-09 01:13:26,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 01:13:26,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 286. [2024-11-09 01:13:26,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 251 states have (on average 1.4103585657370519) internal successors, (354), 251 states have internal predecessors, (354), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:13:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 418 transitions. [2024-11-09 01:13:26,230 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 418 transitions. Word has length 140 [2024-11-09 01:13:26,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:13:26,231 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 418 transitions. [2024-11-09 01:13:26,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:13:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 418 transitions. [2024-11-09 01:13:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 01:13:26,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:13:26,234 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:26,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (10)] Ended with exit code 0 [2024-11-09 01:13:26,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 01:13:26,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 01:13:26,635 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:13:26,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:13:26,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1620111363, now seen corresponding path program 1 times [2024-11-09 01:13:26,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:13:26,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564474689] [2024-11-09 01:13:26,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:13:26,636 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 01:13:26,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:13:26,637 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:13:26,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (12)] Waiting until timeout for monitored process [2024-11-09 01:13:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:28,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:13:28,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:13:29,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:31,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:32,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:34,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:35,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:36,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:37,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:38,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:39,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:39,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:13:40,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-09 01:13:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:13:40,570 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:13:41,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:13:41,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564474689] [2024-11-09 01:13:41,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564474689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:13:41,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1855039575] [2024-11-09 01:13:41,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:13:41,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:13:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:13:41,334 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:13:41,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 01:13:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:13:44,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-09 01:13:44,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:13:45,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-09 01:13:56,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 61 [2024-11-09 01:14:02,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:07,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:10,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:13,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:16,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:20,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:23,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:26,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:30,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 143 [2024-11-09 01:14:31,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 261 treesize of output 113 [2024-11-09 01:14:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:14:32,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:14:33,896 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_324 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse2 (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_324))) (fp.geq (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_3_Pointer~0.base))) (concat (select .cse1 (bvadd (_ bv4 32) c_~var_1_3_Pointer~0.offset)) (select .cse1 c_~var_1_3_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse3 (let ((.cse4 (select .cse2 c_~var_1_2_Pointer~0.base))) (concat (select .cse4 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse4 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))))) is different from false [2024-11-09 01:14:34,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1855039575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:14:34,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251012472] [2024-11-09 01:14:34,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:14:34,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:14:34,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:14:34,189 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:14:34,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 01:14:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:14:58,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 01:14:58,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:15:08,572 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-09 01:15:08,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 137 treesize of output 112 [2024-11-09 01:15:09,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:15:09,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 179 treesize of output 59 [2024-11-09 01:15:14,898 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:15:14,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:15:14,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251012472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:15:14,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:15:14,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13, 25] total 45 [2024-11-09 01:15:14,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647788436] [2024-11-09 01:15:14,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:15:14,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 01:15:14,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:15:14,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 01:15:14,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=2242, Unknown=7, NotChecked=98, Total=2652 [2024-11-09 01:15:14,903 INFO L87 Difference]: Start difference. First operand 286 states and 418 transitions. Second operand has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:15:23,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:15:25,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:27,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:29,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:31,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:33,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:15:37,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:15:37,318 INFO L93 Difference]: Finished difference Result 540 states and 788 transitions. [2024-11-09 01:15:37,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 01:15:37,328 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-09 01:15:37,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:15:37,330 INFO L225 Difference]: With dead ends: 540 [2024-11-09 01:15:37,331 INFO L226 Difference]: Without dead ends: 376 [2024-11-09 01:15:37,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 32.4s TimeCoverageRelationStatistics Valid=313, Invalid=2336, Unknown=7, NotChecked=100, Total=2756 [2024-11-09 01:15:37,333 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 279 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:15:37,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 600 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 586 Invalid, 6 Unknown, 0 Unchecked, 21.2s Time] [2024-11-09 01:15:37,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-11-09 01:15:37,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 317. [2024-11-09 01:15:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 282 states have (on average 1.4219858156028369) internal successors, (401), 282 states have internal predecessors, (401), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:15:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 465 transitions. [2024-11-09 01:15:37,357 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 465 transitions. Word has length 141 [2024-11-09 01:15:37,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:15:37,358 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 465 transitions. [2024-11-09 01:15:37,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.4) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:15:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 465 transitions. [2024-11-09 01:15:37,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 01:15:37,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:15:37,361 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:15:37,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (12)] Ended with exit code 0 [2024-11-09 01:15:37,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-09 01:15:37,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 01:15:37,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:15:37,962 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:15:37,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:15:37,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1472894840, now seen corresponding path program 1 times [2024-11-09 01:15:37,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:15:37,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401212028] [2024-11-09 01:15:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:37,964 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 01:15:37,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:15:37,967 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:15:37,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (15)] Waiting until timeout for monitored process [2024-11-09 01:15:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:39,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:15:39,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:15:40,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:42,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:44,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:45,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:47,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:48,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:49,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:50,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:51,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:51,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:15:52,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-09 01:15:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:15:52,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:15:53,753 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:15:53,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401212028] [2024-11-09 01:15:53,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401212028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:15:53,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [499295911] [2024-11-09 01:15:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:15:53,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:15:53,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:15:53,755 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:15:53,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 01:15:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:15:57,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 01:15:57,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:15:58,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:01,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:03,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:05,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:06,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:08,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:09,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:11,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:12,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:13,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:16:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:16:14,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:16:14,961 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_417 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse1 (select (select (store |c_#memory_int| |c_~#var_1_17~0.base| v_ArrVal_417) c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.leq .cse0 .cse0))) is different from false [2024-11-09 01:16:15,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [499295911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:16:15,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750054893] [2024-11-09 01:16:15,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:16:15,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:16:15,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:16:15,005 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:16:15,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 01:16:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:16:26,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 01:16:26,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:16:31,226 INFO L349 Elim1Store]: treesize reduction 31, result has 32.6 percent of original size [2024-11-09 01:16:31,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 48 [2024-11-09 01:16:32,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2024-11-09 01:16:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:16:33,577 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:16:33,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750054893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:16:33,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 01:16:33,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [13, 13] total 36 [2024-11-09 01:16:33,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222708245] [2024-11-09 01:16:33,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:16:33,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 01:16:33,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:16:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 01:16:33,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=1251, Unknown=4, NotChecked=76, Total=1640 [2024-11-09 01:16:33,581 INFO L87 Difference]: Start difference. First operand 317 states and 465 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:16:39,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:41,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:43,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:45,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:47,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:49,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:51,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:53,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:16:55,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:16:57,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:00,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:02,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:04,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:06,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:08,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:10,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-09 01:17:12,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:16,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:16,766 INFO L93 Difference]: Finished difference Result 411 states and 586 transitions. [2024-11-09 01:17:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 01:17:16,772 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-09 01:17:16,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:16,775 INFO L225 Difference]: With dead ends: 411 [2024-11-09 01:17:16,775 INFO L226 Difference]: Without dead ends: 409 [2024-11-09 01:17:16,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=329, Invalid=1563, Unknown=4, NotChecked=84, Total=1980 [2024-11-09 01:17:16,777 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 217 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 2 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.2s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:16,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1116 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 946 Invalid, 17 Unknown, 0 Unchecked, 42.2s Time] [2024-11-09 01:17:16,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-11-09 01:17:16,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 382. [2024-11-09 01:17:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 347 states have (on average 1.3948126801152738) internal successors, (484), 347 states have internal predecessors, (484), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:17:16,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 548 transitions. [2024-11-09 01:17:16,800 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 548 transitions. Word has length 141 [2024-11-09 01:17:16,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:16,801 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 548 transitions. [2024-11-09 01:17:16,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:17:16,802 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 548 transitions. [2024-11-09 01:17:16,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-09 01:17:16,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:16,804 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:16,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 01:17:17,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-09 01:17:17,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (15)] Forceful destruction successful, exit code 0 [2024-11-09 01:17:17,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:17:17,405 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:17:17,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:17,405 INFO L85 PathProgramCache]: Analyzing trace with hash 948413045, now seen corresponding path program 1 times [2024-11-09 01:17:17,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:17:17,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390000856] [2024-11-09 01:17:17,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:17,406 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 01:17:17,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:17:17,407 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:17:17,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (18)] Waiting until timeout for monitored process [2024-11-09 01:17:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:19,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:17:19,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:20,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:22,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:23,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:25,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:26,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:27,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:28,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:29,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:30,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:31,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:17:31,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-09 01:17:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:17:31,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:17:32,410 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_477 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (let ((.cse1 (select (select (store |c_#memory_int| |c_~#var_1_17~0.base| v_ArrVal_477) c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))) (fp.leq .cse0 .cse0))) is different from false [2024-11-09 01:17:32,453 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:17:32,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390000856] [2024-11-09 01:17:32,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390000856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:17:32,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1135332356] [2024-11-09 01:17:32,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:32,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:17:32,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:17:32,455 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:17:32,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 01:17:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:36,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 01:17:36,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:41,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 34 [2024-11-09 01:17:41,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 35 [2024-11-09 01:17:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-09 01:17:41,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:17:41,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1135332356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:17:41,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:17:41,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 18 [2024-11-09 01:17:41,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403752181] [2024-11-09 01:17:41,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:17:41,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 01:17:41,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 01:17:41,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 01:17:41,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=312, Unknown=1, NotChecked=38, Total=462 [2024-11-09 01:17:41,980 INFO L87 Difference]: Start difference. First operand 382 states and 548 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:17:46,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:48,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:50,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 01:17:53,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:17:53,415 INFO L93 Difference]: Finished difference Result 697 states and 990 transitions. [2024-11-09 01:17:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 01:17:53,422 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2024-11-09 01:17:53,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:17:53,424 INFO L225 Difference]: With dead ends: 697 [2024-11-09 01:17:53,425 INFO L226 Difference]: Without dead ends: 463 [2024-11-09 01:17:53,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=117, Invalid=348, Unknown=1, NotChecked=40, Total=506 [2024-11-09 01:17:53,427 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 204 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:17:53,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 547 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 462 Invalid, 3 Unknown, 0 Unchecked, 11.1s Time] [2024-11-09 01:17:53,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-09 01:17:53,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 424. [2024-11-09 01:17:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 389 states have (on average 1.3830334190231361) internal successors, (538), 389 states have internal predecessors, (538), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-09 01:17:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 602 transitions. [2024-11-09 01:17:53,452 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 602 transitions. Word has length 141 [2024-11-09 01:17:53,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:17:53,453 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 602 transitions. [2024-11-09 01:17:53,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-09 01:17:53,453 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 602 transitions. [2024-11-09 01:17:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-09 01:17:53,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:17:53,456 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:17:53,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (18)] Ended with exit code 0 [2024-11-09 01:17:53,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 01:17:53,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 01:17:53,857 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:17:53,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:17:53,857 INFO L85 PathProgramCache]: Analyzing trace with hash 308747279, now seen corresponding path program 1 times [2024-11-09 01:17:53,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 01:17:53,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734515633] [2024-11-09 01:17:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:17:53,858 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 01:17:53,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 01:17:53,859 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 01:17:53,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/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 (20)] Waiting until timeout for monitored process [2024-11-09 01:17:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:17:55,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-09 01:17:55,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:17:57,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-11-09 01:18:05,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:08,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:12,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:14,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:17,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:19,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:22,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:24,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:26,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:29,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 104 [2024-11-09 01:18:39,566 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse4 (let ((.cse5 (select |c_#memory_int| (_ bv5 32)))) (concat (select .cse5 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse5 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (.cse2 (let ((.cse3 (select (select |c_#memory_int| (_ bv8 32)) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (and (= (_ bv14 32) c_~var_1_14_Pointer~0.base) (= c_~var_1_2_Pointer~0.base (_ bv5 32)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0))) (not (fp.lt (fp.sub c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse2))) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (= (_ bv8 32) c_~var_1_8_Pointer~0.base) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 2.0))) .cse2) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-09 01:18:46,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 142 [2024-11-09 01:18:54,979 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (let ((.cse4 (let ((.cse5 (select |c_#memory_int| (_ bv5 32)))) (concat (select .cse5 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse5 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4)))) (.cse2 (let ((.cse3 (select (select |c_#memory_int| (_ bv8 32)) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3))))) (and (= c_~var_1_2_Pointer~0.base (_ bv5 32)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0))) (not (fp.lt (fp.sub c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode .cse2))) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (= (_ bv8 32) c_~var_1_8_Pointer~0.base) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 2.0))) .cse2) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-09 01:18:55,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 01:18:55,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 261 treesize of output 111 [2024-11-09 01:19:13,959 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_123 (_ BitVec 32)) (v_arrayElimCell_122 (_ BitVec 32)) (v_arrayElimCell_121 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) v_arrayElimCell_122) ((_ extract 30 23) v_arrayElimCell_122) ((_ extract 22 0) v_arrayElimCell_122))) (.cse1 (let ((.cse3 (concat v_arrayElimCell_123 v_arrayElimCell_121))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (and (= .cse0 |c_ULTIMATE.start_property_#t~mem103#1|) (= |c_ULTIMATE.start_property_#t~mem102#1| .cse0) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 65.0 2.0))) .cse0) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0))) (not (fp.lt (fp.sub c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse0))) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) (= .cse1 |c_ULTIMATE.start_property_#t~mem101#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-09 01:19:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 01:19:13,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:19:20,139 WARN L851 $PredicateComparison]: unable to prove that (not (fp.lt (fp.sub c_currentRoundingMode |c_ULTIMATE.start_property_#t~mem101#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_property_#t~mem103#1|) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_property_#t~mem102#1|) ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))) is different from false [2024-11-09 01:19:22,196 WARN L873 $PredicateComparison]: unable to prove that (not (fp.lt (fp.sub c_currentRoundingMode |c_ULTIMATE.start_property_#t~mem101#1| ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_property_#t~mem103#1|) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_property_#t~mem102#1|) ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))))) is different from true [2024-11-09 01:19:28,344 WARN L851 $PredicateComparison]: unable to prove that (not (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select |c_#memory_int| c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) is different from false [2024-11-09 01:19:30,392 WARN L873 $PredicateComparison]: unable to prove that (not (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select |c_#memory_int| c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse3 (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))))) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))) is different from true [2024-11-09 01:19:36,525 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse2 (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse4 (select (select .cse2 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))))) (fp.mul c_currentRoundingMode .cse3 (fp.mul c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))))) is different from false [2024-11-09 01:19:38,575 WARN L873 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse2 (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_2_Pointer~0.base))) (concat (select .cse1 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse4 (select (select .cse2 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)))))) (fp.mul c_currentRoundingMode .cse3 (fp.mul c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))))))))) is different from true [2024-11-09 01:19:53,146 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))) (or (fp.lt (fp.sub c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem18#1| .cse0) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem20#1|) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem19#1|) .cse1))) (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse4 (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse2 (let ((.cse3 (select .cse4 c_~var_1_2_Pointer~0.base))) (concat (select .cse3 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse3 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse0) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse6 (select (select .cse4 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))))) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 .cse1))))))))) is different from false [2024-11-09 01:19:55,242 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))) (or (fp.lt (fp.sub c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem18#1| .cse0) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem20#1|) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_step_#t~mem19#1|) .cse1))) (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse4 (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse2 (let ((.cse3 (select .cse4 c_~var_1_2_Pointer~0.base))) (concat (select .cse3 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (select .cse3 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) .cse0) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse6 (select (select .cse4 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))))) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 .cse1))))))))) is different from true [2024-11-09 01:20:05,682 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))) (or (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse3 (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_2_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse4) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse7 (select (select .cse3 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7)))))) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 .cse6))))))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse8 (let ((.cse9 (select |c_#memory_int| c_~var_1_2_Pointer~0.base))) (concat (select .cse9 .cse2) (select .cse9 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))) .cse4) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse11 (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11)))))) (fp.mul c_currentRoundingMode .cse10 (fp.mul c_currentRoundingMode .cse10 .cse6)))))) is different from false [2024-11-09 01:20:07,782 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0)))) (or (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse3 (store |c_#memory_int| c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_2_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse4) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse7 (select (select .cse3 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7)))))) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 .cse6))))))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse8 (let ((.cse9 (select |c_#memory_int| c_~var_1_2_Pointer~0.base))) (concat (select .cse9 .cse2) (select .cse9 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))) .cse4) (let ((.cse10 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse11 (select (select |c_#memory_int| c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11)))))) (fp.mul c_currentRoundingMode .cse10 (fp.mul c_currentRoundingMode .cse10 .cse6)))))) is different from true [2024-11-09 01:20:18,401 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_539 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))) (.cse3 (store |c_#memory_int| c_~var_1_11_Pointer~0.base v_ArrVal_539))) (or (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_2_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse4) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse7 (select (select .cse3 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7)))))) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 .cse6)))) (not (let ((.cse10 (store .cse3 c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse8 (let ((.cse9 (select .cse10 c_~var_1_2_Pointer~0.base))) (concat (select .cse9 .cse2) (select .cse9 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))) .cse4) (let ((.cse11 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse12 (select (select .cse10 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12)))))) (fp.mul c_currentRoundingMode .cse11 (fp.mul c_currentRoundingMode .cse11 .cse6))))))))) is different from false [2024-11-09 01:20:20,496 WARN L873 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_540 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_539 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd c_~var_1_2_Pointer~0.offset (_ bv4 32))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 4.0))) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 997.0 5.0))) (.cse3 (store |c_#memory_int| c_~var_1_11_Pointer~0.base v_ArrVal_539))) (or (fp.lt (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_2_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse4) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse7 (select (select .cse3 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7)))))) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 .cse6)))) (not (let ((.cse10 (store .cse3 c_~var_1_14_Pointer~0.base v_ArrVal_540))) (fp.lt (fp.sub c_currentRoundingMode (let ((.cse8 (let ((.cse9 (select .cse10 c_~var_1_2_Pointer~0.base))) (concat (select .cse9 .cse2) (select .cse9 c_~var_1_2_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))) .cse4) (let ((.cse11 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse12 (select (select .cse10 c_~var_1_8_Pointer~0.base) c_~var_1_8_Pointer~0.offset))) (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12)))))) (fp.mul c_currentRoundingMode .cse11 (fp.mul c_currentRoundingMode .cse11 .cse6))))))))) is different from true [2024-11-09 01:21:20,682 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 01:21:20,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734515633] [2024-11-09 01:21:20,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734515633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 01:21:20,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1512400489] [2024-11-09 01:21:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:21:20,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:21:20,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 01:21:20,685 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:21:20,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9516ebcb-5b2e-4b65-96c8-c9c6228314e8/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process