./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E --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 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:45:02,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:45:02,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:45:02,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:45:02,725 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:45:02,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:45:02,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:45:02,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:45:02,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:45:02,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:45:02,756 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:45:02,756 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:45:02,756 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:45:02,757 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:45:02,757 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:45:02,757 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:45:02,759 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:45:02,759 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:45:02,759 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:45:02,759 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:45:02,761 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:45:02,761 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:45:02,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:45:02,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:45:02,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:02,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:45:02,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:45:02,764 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E 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 -> 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 [2024-11-14 05:45:03,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:45:03,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:45:03,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:45:03,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:45:03,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:45:03,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i Unable to find full path for "g++" [2024-11-14 05:45:05,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:45:05,473 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:45:05,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i [2024-11-14 05:45:05,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data/668711ed7/73f21b51dbe941aaae2ac57a0020b688/FLAG77215e35d [2024-11-14 05:45:05,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data/668711ed7/73f21b51dbe941aaae2ac57a0020b688 [2024-11-14 05:45:05,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:45:05,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:45:05,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:05,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:45:05,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:45:05,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:05" (1/1) ... [2024-11-14 05:45:05,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cbe376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:05, skipping insertion in model container [2024-11-14 05:45:05,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:05" (1/1) ... [2024-11-14 05:45:05,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:45:06,029 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_83efbfe5-101f-43ac-9a89-8a8adffd5861/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2024-11-14 05:45:06,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:06,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:45:06,205 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_83efbfe5-101f-43ac-9a89-8a8adffd5861/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2024-11-14 05:45:06,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:06,310 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:45:06,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06 WrapperNode [2024-11-14 05:45:06,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:06,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:06,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:45:06,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:45:06,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,405 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2024-11-14 05:45:06,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:06,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:45:06,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:45:06,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:45:06,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,487 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:45:06,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:45:06,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:45:06,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:45:06,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (1/1) ... [2024-11-14 05:45:06,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:06,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:06,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:45:06,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:45:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:45:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:45:06,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:45:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:45:06,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:45:06,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:45:06,700 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:45:06,702 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:45:07,450 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-14 05:45:07,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:45:07,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:45:07,913 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:45:07,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:07 BoogieIcfgContainer [2024-11-14 05:45:07,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:45:07,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:45:07,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:45:07,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:45:07,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:45:05" (1/3) ... [2024-11-14 05:45:07,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779faa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:07, skipping insertion in model container [2024-11-14 05:45:07,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:06" (2/3) ... [2024-11-14 05:45:07,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779faa43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:07, skipping insertion in model container [2024-11-14 05:45:07,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:07" (3/3) ... [2024-11-14 05:45:07,926 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-31.i [2024-11-14 05:45:07,944 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:45:07,945 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount100_file-31.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:45:08,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:45:08,034 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;@5615de40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:45:08,034 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:45:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 05:45:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-14 05:45:08,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:08,053 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:45:08,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:08,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:08,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1707195663, now seen corresponding path program 1 times [2024-11-14 05:45:08,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:45:08,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870087720] [2024-11-14 05:45:08,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:08,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:45:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 05:45:09,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971969124] [2024-11-14 05:45:09,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:09,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:45:09,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:09,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:45:09,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:45:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:45:10,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:45:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:45:11,163 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:45:11,165 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:45:11,166 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:45:11,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-14 05:45:11,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:45:11,372 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:45:11,523 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:45:11,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:45:11 BoogieIcfgContainer [2024-11-14 05:45:11,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:45:11,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:45:11,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:45:11,531 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:45:11,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:07" (3/4) ... [2024-11-14 05:45:11,534 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:45:11,535 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:45:11,537 INFO L158 Benchmark]: Toolchain (without parser) took 5799.75ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 62.1MB in the end (delta: 29.9MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:11,538 INFO L158 Benchmark]: CDTParser took 1.88ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:11,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 572.87ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:45:11,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.66ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 70.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:45:11,540 INFO L158 Benchmark]: Boogie Preprocessor took 81.44ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:11,540 INFO L158 Benchmark]: RCFGBuilder took 1426.37ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 86.2MB in the end (delta: -17.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-11-14 05:45:11,540 INFO L158 Benchmark]: TraceAbstraction took 3613.13ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 62.1MB in the end (delta: 23.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2024-11-14 05:45:11,541 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:45:11,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 572.87ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 75.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.66ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 70.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.44ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 68.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1426.37ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 86.2MB in the end (delta: -17.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3613.13ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 62.1MB in the end (delta: 23.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 62.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 84, overapproximation of someBinaryArithmeticDOUBLEoperation at line 114, overapproximation of someBinaryFLOATComparisonOperation at line 206, overapproximation of someUnaryDOUBLEoperation at line 46, overapproximation of bitwiseAnd at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 195, overapproximation of someBinaryDOUBLEComparisonOperation at line 191, overapproximation of someBinaryDOUBLEComparisonOperation at line 193, overapproximation of someBinaryDOUBLEComparisonOperation at line 206. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned long int var_1_4 = 32; [L24] unsigned char var_1_6 = 1; [L25] unsigned char var_1_7 = 0; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 50; [L30] unsigned long int var_1_14 = 1000000000; [L31] unsigned short int var_1_15 = 10; [L32] unsigned short int var_1_16 = 39011; [L33] unsigned long int var_1_17 = 4; [L34] signed char var_1_18 = 4; [L35] signed char var_1_21 = 16; [L36] signed char var_1_22 = 64; [L37] signed long int var_1_23 = 8; [L38] unsigned char var_1_24 = 0; [L39] unsigned char var_1_25 = 0; [L40] unsigned char var_1_26 = 0; [L41] unsigned char var_1_27 = 0; [L42] double var_1_28 = 25.5; [L43] double var_1_29 = 255.25; [L44] double var_1_30 = 24.7; [L45] double var_1_31 = 31.2; [L46] float var_1_32 = -0.2; [L47] unsigned char var_1_33 = 10; [L48] float var_1_34 = 24.5; [L49] unsigned char last_1_var_1_7 = 0; [L50] unsigned short int last_1_var_1_15 = 10; [L51] unsigned long int last_1_var_1_17 = 4; [L52] signed long int last_1_var_1_23 = 8; [L53] unsigned char last_1_var_1_24 = 0; [L54] unsigned char last_1_var_1_33 = 10; [L210] isInitial = 1 [L211] FCALL initially() [L212] COND TRUE 1 [L213] CALL updateLastVariables() [L198] last_1_var_1_7 = var_1_7 [L199] last_1_var_1_15 = var_1_15 [L200] last_1_var_1_17 = var_1_17 [L201] last_1_var_1_23 = var_1_23 [L202] last_1_var_1_24 = var_1_24 [L203] last_1_var_1_33 = var_1_33 [L213] RET updateLastVariables() [L214] CALL updateVariables() [L156] var_1_4 = __VERIFIER_nondet_ulong() [L157] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L158] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_6=1, var_1_7=0] [L159] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=1, var_1_7=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=1, var_1_7=0] [L160] var_1_6 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_7=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_7=0] [L162] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L163] var_1_10 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L165] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L166] var_1_11 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L168] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L169] var_1_12 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L171] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=39011, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L172] var_1_16 = __VERIFIER_nondet_ushort() [L173] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L174] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=16, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L175] var_1_21 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_21 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_21 >= -1) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L177] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=64, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L178] var_1_22 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L180] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L181] var_1_25 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L183] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L184] var_1_26 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L186] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L187] var_1_27 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L189] CALL assume_abort_if_not(var_1_27 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_27 <= 0) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_29=1021/4, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L190] var_1_29 = __VERIFIER_nondet_double() [L191] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_30=247/10, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L192] var_1_30 = __VERIFIER_nondet_double() [L193] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_31=156/5, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L194] var_1_31 = __VERIFIER_nondet_double() [L195] CALL assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=50, var_1_14=1000000000, var_1_15=10, var_1_16=98304, var_1_17=4, var_1_18=4, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=8, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_28=51/2, var_1_33=10, var_1_34=49/2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L214] RET updateVariables() [L215] CALL step() [L58] signed long int stepLocal_8 = last_1_var_1_33; [L59] COND FALSE !(stepLocal_8 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) [L68] var_1_18 = var_1_21 [L70] COND FALSE !(! (! (last_1_var_1_7 && last_1_var_1_24))) [L77] var_1_15 = last_1_var_1_23 [L79] var_1_14 = (var_1_6 + var_1_15) [L80] unsigned char stepLocal_7 = var_1_12; [L81] EXPR last_1_var_1_15 & 16 [L81] signed long int stepLocal_6 = last_1_var_1_15 & 16; [L82] signed long int stepLocal_5 = last_1_var_1_15; [L83] COND FALSE !(last_1_var_1_15 < stepLocal_5) [L94] var_1_13 = var_1_6 [L96] unsigned char stepLocal_9 = last_1_var_1_7; [L97] COND TRUE ! last_1_var_1_24 [L98] COND FALSE !(stepLocal_9 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) [L101] var_1_24 = var_1_12 [L106] unsigned short int stepLocal_10 = var_1_15; [L107] COND TRUE stepLocal_10 < var_1_4 [L108] COND TRUE \read(var_1_24) [L109] var_1_28 = ((var_1_29 - var_1_30) + var_1_31) [L116] var_1_32 = var_1_29 [L117] var_1_33 = var_1_22 [L118] var_1_34 = var_1_29 [L119] COND FALSE !(var_1_14 < var_1_13) [L122] var_1_23 = var_1_18 [L124] unsigned char stepLocal_2 = var_1_13 < var_1_4; [L125] signed long int stepLocal_1 = var_1_6 + var_1_15; [L126] unsigned long int stepLocal_0 = var_1_13 % var_1_4; [L127] COND TRUE stepLocal_0 >= var_1_15 [L128] COND FALSE !(var_1_24 && stepLocal_2) [L138] unsigned char stepLocal_4 = var_1_24; [L139] unsigned long int stepLocal_3 = var_1_4; [L140] COND TRUE (var_1_24 && var_1_24) && stepLocal_4 [L141] COND FALSE !(stepLocal_3 == (- var_1_13)) [L144] var_1_7 = 0 [L149] COND FALSE !((var_1_4 <= var_1_18) && var_1_7) [L215] RET step() [L216] CALL, EXPR property() [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) [L206] EXPR (last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)) [L206] EXPR ((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) [L206-L207] return ((((((((((((((var_1_13 % var_1_4) >= var_1_15) ? ((var_1_24 && (var_1_13 < var_1_4)) ? (var_1_1 == ((unsigned char) var_1_6)) : 1) : (((var_1_6 + var_1_15) > var_1_13) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) 1)))) && (((var_1_24 && var_1_24) && var_1_24) ? ((var_1_4 == (- var_1_13)) ? (var_1_7 == ((unsigned char) (! (! (! var_1_10))))) : (var_1_7 == ((unsigned char) 0))) : (var_1_7 == ((unsigned char) (var_1_11 && var_1_12))))) && ((last_1_var_1_15 < last_1_var_1_15) ? ((var_1_12 || (last_1_var_1_15 < (var_1_6 >> last_1_var_1_33))) ? (((last_1_var_1_15 & 16) <= var_1_4) ? (var_1_13 == ((unsigned char) var_1_6)) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6))) : (var_1_13 == ((unsigned char) var_1_6)))) && (var_1_14 == ((unsigned long int) (var_1_6 + var_1_15)))) && ((! (! (last_1_var_1_7 && last_1_var_1_24))) ? (last_1_var_1_7 ? (var_1_15 == ((unsigned short int) ((((last_1_var_1_33) > (last_1_var_1_23)) ? (last_1_var_1_33) : (last_1_var_1_23))))) : (var_1_15 == ((unsigned short int) (((((var_1_16 - var_1_6)) < (10)) ? ((var_1_16 - var_1_6)) : (10)))))) : (var_1_15 == ((unsigned short int) last_1_var_1_23)))) && (((var_1_4 <= var_1_18) && var_1_7) ? ((var_1_23 == var_1_1) ? (var_1_17 == ((unsigned long int) var_1_6)) : 1) : 1)) && ((last_1_var_1_33 <= ((last_1_var_1_17 / var_1_4) / var_1_16)) ? (last_1_var_1_24 ? (var_1_18 == ((signed char) (var_1_21 - var_1_22))) : (var_1_11 ? (var_1_18 == ((signed char) var_1_22)) : 1)) : (var_1_18 == ((signed char) var_1_21)))) && ((var_1_14 < var_1_13) ? (var_1_23 == ((signed long int) (((((var_1_14 + var_1_16)) < ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128))))) ? ((var_1_14 + var_1_16)) : ((((((var_1_18 - var_1_14)) < (-128)) ? ((var_1_18 - var_1_14)) : (-128)))))))) : (var_1_23 == ((signed long int) var_1_18)))) && ((! last_1_var_1_24) ? ((last_1_var_1_7 && (last_1_var_1_33 >= ((((last_1_var_1_17) < (var_1_4)) ? (last_1_var_1_17) : (var_1_4))))) ? (var_1_24 == ((unsigned char) (var_1_10 || ((var_1_25 || var_1_26) || var_1_27)))) : (var_1_24 == ((unsigned char) var_1_12))) : (var_1_24 == ((unsigned char) var_1_12)))) && ((var_1_15 < var_1_4) ? (var_1_24 ? (var_1_28 == ((double) ((var_1_29 - var_1_30) + var_1_31))) : (var_1_28 == ((double) (4.75 + var_1_29)))) : (var_1_28 == ((double) (100.4 + var_1_30))))) && (var_1_32 == ((float) var_1_29))) && (var_1_33 == ((unsigned char) var_1_22))) && (var_1_34 == ((float) var_1_29)) ; [L216] RET, EXPR property() [L216] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=274, var_1_14=26, var_1_15=8, var_1_16=98304, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=1, var_1_34=2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=10, last_1_var_1_17=4, last_1_var_1_23=8, last_1_var_1_24=0, last_1_var_1_33=10, last_1_var_1_7=0, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=274, var_1_14=26, var_1_15=8, var_1_16=98304, var_1_17=4, var_1_18=1, var_1_1=200, var_1_21=1, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_32=2, var_1_33=1, var_1_34=2, var_1_4=-4294967286, var_1_6=274, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred 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: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:45:11,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E --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 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:45:14,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:45:14,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:45:14,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:45:14,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:45:14,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:45:14,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:45:14,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:45:14,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:45:14,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:45:14,495 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:45:14,495 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:45:14,495 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:45:14,496 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:45:14,496 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:45:14,496 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:45:14,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:45:14,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:45:14,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:45:14,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:45:14,499 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:45:14,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:45:14,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:45:14,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:45:14,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:45:14,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:45:14,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:45:14,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:14,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:45:14,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E 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 -> 331deff5ee9f0a6f0b03656a3ea7e4b679f07dd47c7d7e953a5847c9d589ff92 [2024-11-14 05:45:14,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:45:14,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:45:14,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:45:14,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:45:14,859 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:45:14,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i Unable to find full path for "g++" [2024-11-14 05:45:16,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:45:17,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:45:17,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i [2024-11-14 05:45:17,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data/2b739470a/8c688fe3181b4c84b0e10c49e9f4591c/FLAGc8eb5dc22 [2024-11-14 05:45:17,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/data/2b739470a/8c688fe3181b4c84b0e10c49e9f4591c [2024-11-14 05:45:17,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:45:17,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:45:17,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:17,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:45:17,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:45:17,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:17,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f4accc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17, skipping insertion in model container [2024-11-14 05:45:17,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:17,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:45:17,699 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_83efbfe5-101f-43ac-9a89-8a8adffd5861/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2024-11-14 05:45:17,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:17,853 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:45:17,873 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_83efbfe5-101f-43ac-9a89-8a8adffd5861/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-31.i[916,929] [2024-11-14 05:45:17,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:17,994 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:45:17,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17 WrapperNode [2024-11-14 05:45:17,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:17,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:17,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:45:17,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:45:18,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,077 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2024-11-14 05:45:18,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:18,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:45:18,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:45:18,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:45:18,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:45:18,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:45:18,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:45:18,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:45:18,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (1/1) ... [2024-11-14 05:45:18,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:18,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:18,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:45:18,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:45:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:45:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:45:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:45:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:45:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:45:18,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:45:18,327 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:45:18,330 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:45:21,891 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-14 05:45:21,892 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:45:21,904 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:45:21,904 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:45:21,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:21 BoogieIcfgContainer [2024-11-14 05:45:21,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:45:21,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:45:21,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:45:21,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:45:21,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:45:17" (1/3) ... [2024-11-14 05:45:21,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b86862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:21, skipping insertion in model container [2024-11-14 05:45:21,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:17" (2/3) ... [2024-11-14 05:45:21,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b86862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:21, skipping insertion in model container [2024-11-14 05:45:21,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:21" (3/3) ... [2024-11-14 05:45:21,916 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-31.i [2024-11-14 05:45:21,932 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:45:21,934 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount100_file-31.i that has 2 procedures, 85 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:45:21,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:45:22,009 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;@3c48c38e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:45:22,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:45:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 05:45:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 05:45:22,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:22,027 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:45:22,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:22,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:22,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1142061926, now seen corresponding path program 1 times [2024-11-14 05:45:22,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:45:22,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749922283] [2024-11-14 05:45:22,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:22,043 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 [2024-11-14 05:45:22,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:45:22,045 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:45:22,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:45:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:45:22,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:45:22,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:45:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-14 05:45:22,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:45:22,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:45:22,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749922283] [2024-11-14 05:45:22,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749922283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:45:22,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:45:22,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:45:22,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860256146] [2024-11-14 05:45:22,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:45:22,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:45:22,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:45:22,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:45:22,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:45:22,841 INFO L87 Difference]: Start difference. First operand has 85 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 57 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-14 05:45:22,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:45:22,885 INFO L93 Difference]: Finished difference Result 163 states and 286 transitions. [2024-11-14 05:45:22,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:45:22,887 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-11-14 05:45:22,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:45:22,895 INFO L225 Difference]: With dead ends: 163 [2024-11-14 05:45:22,896 INFO L226 Difference]: Without dead ends: 81 [2024-11-14 05:45:22,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:45:22,907 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:45:22,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:45:22,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-14 05:45:22,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-14 05:45:22,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 05:45:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 126 transitions. [2024-11-14 05:45:22,959 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 126 transitions. Word has length 169 [2024-11-14 05:45:22,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:45:22,961 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 126 transitions. [2024-11-14 05:45:22,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-14 05:45:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2024-11-14 05:45:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 05:45:22,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:22,967 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:45:22,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:45:23,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:45:23,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:23,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:23,169 INFO L85 PathProgramCache]: Analyzing trace with hash 2122867026, now seen corresponding path program 1 times [2024-11-14 05:45:23,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:45:23,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61784835] [2024-11-14 05:45:23,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:23,170 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 [2024-11-14 05:45:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:45:23,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:45:23,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:45:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:45:23,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 05:45:23,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:45:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 05:45:25,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:45:25,234 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:45:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61784835] [2024-11-14 05:45:25,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61784835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:45:25,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:45:25,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:45:25,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537214184] [2024-11-14 05:45:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:45:25,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:45:25,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:45:25,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:45:25,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:45:25,239 INFO L87 Difference]: Start difference. First operand 81 states and 126 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:45:26,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:28,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:30,808 WARN L539 Checker$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 [] [2024-11-14 05:45:32,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:34,948 WARN L539 Checker$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 [] [2024-11-14 05:45:36,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:45:38,954 WARN L539 Checker$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 [] [2024-11-14 05:45:38,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:45:38,955 INFO L93 Difference]: Finished difference Result 277 states and 430 transitions. [2024-11-14 05:45:38,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:45:38,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-11-14 05:45:38,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:45:38,989 INFO L225 Difference]: With dead ends: 277 [2024-11-14 05:45:38,990 INFO L226 Difference]: Without dead ends: 199 [2024-11-14 05:45:38,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:45:38,991 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 130 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 64 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:45:38,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 385 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 28 Invalid, 5 Unknown, 0 Unchecked, 13.6s Time] [2024-11-14 05:45:38,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-14 05:45:39,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 150. [2024-11-14 05:45:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-14 05:45:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 230 transitions. [2024-11-14 05:45:39,037 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 230 transitions. Word has length 169 [2024-11-14 05:45:39,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:45:39,038 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 230 transitions. [2024-11-14 05:45:39,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:45:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 230 transitions. [2024-11-14 05:45:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-14 05:45:39,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:39,043 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:45:39,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:45:39,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:45:39,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:39,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:39,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1384161824, now seen corresponding path program 1 times [2024-11-14 05:45:39,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:45:39,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704251791] [2024-11-14 05:45:39,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:39,245 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 [2024-11-14 05:45:39,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:45:39,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:45:39,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:45:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:45:39,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 05:45:39,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:45:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-14 05:45:42,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:45:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-14 05:45:44,166 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:45:44,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704251791] [2024-11-14 05:45:44,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1704251791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:45:44,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [151663140] [2024-11-14 05:45:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:44,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:45:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:45:44,177 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:45:44,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 05:45:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:45:45,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:45:45,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:45:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-14 05:45:47,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:45:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-14 05:45:48,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [151663140] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:45:48,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659713429] [2024-11-14 05:45:48,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:48,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:45:48,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:48,842 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:45:48,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 05:45:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:45:49,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 05:45:49,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:45:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-14 05:45:51,247 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:45:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-14 05:45:52,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659713429] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:45:52,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:45:52,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 10, 7, 10, 7] total 14 [2024-11-14 05:45:52,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040897638] [2024-11-14 05:45:52,311 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:45:52,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 05:45:52,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:45:52,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 05:45:52,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:45:52,315 INFO L87 Difference]: Start difference. First operand 150 states and 230 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-14 05:45:58,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:00,077 WARN L539 Checker$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 [] [2024-11-14 05:46:02,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:04,081 WARN L539 Checker$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 [] [2024-11-14 05:46:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:08,935 INFO L93 Difference]: Finished difference Result 520 states and 774 transitions. [2024-11-14 05:46:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-14 05:46:08,936 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 170 [2024-11-14 05:46:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:08,944 INFO L225 Difference]: With dead ends: 520 [2024-11-14 05:46:08,944 INFO L226 Difference]: Without dead ends: 373 [2024-11-14 05:46:08,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 1003 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=338, Invalid=1068, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 05:46:08,951 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 406 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 209 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:08,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 947 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 875 Invalid, 4 Unknown, 0 Unchecked, 15.1s Time] [2024-11-14 05:46:08,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-14 05:46:09,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 191. [2024-11-14 05:46:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 123 states have (on average 1.2926829268292683) internal successors, (159), 124 states have internal predecessors, (159), 61 states have call successors, (61), 6 states have call predecessors, (61), 6 states have return successors, (61), 60 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-14 05:46:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 281 transitions. [2024-11-14 05:46:09,025 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 281 transitions. Word has length 170 [2024-11-14 05:46:09,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:09,027 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 281 transitions. [2024-11-14 05:46:09,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-14 05:46:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 281 transitions. [2024-11-14 05:46:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-14 05:46:09,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:09,034 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:09,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 05:46:09,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 05:46:09,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-14 05:46:09,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:46:09,636 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:09,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1630941794, now seen corresponding path program 1 times [2024-11-14 05:46:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:46:09,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131644855] [2024-11-14 05:46:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:09,640 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 [2024-11-14 05:46:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:46:09,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:46:09,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:46:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:46:10,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:46:10,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:46:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 05:46:11,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:46:11,469 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:46:11,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131644855] [2024-11-14 05:46:11,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131644855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:46:11,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:46:11,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:46:11,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050835317] [2024-11-14 05:46:11,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:46:11,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:46:11,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:46:11,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:46:11,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:46:11,473 INFO L87 Difference]: Start difference. First operand 191 states and 281 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:46:13,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:15,917 WARN L539 Checker$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 [] [2024-11-14 05:46:17,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:19,923 WARN L539 Checker$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 [] [2024-11-14 05:46:21,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:24,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:26,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:27,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:29,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:31,929 WARN L539 Checker$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 [] [2024-11-14 05:46:33,934 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 [] [2024-11-14 05:46:34,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:34,208 INFO L93 Difference]: Finished difference Result 563 states and 820 transitions. [2024-11-14 05:46:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 05:46:34,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-14 05:46:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:34,214 INFO L225 Difference]: With dead ends: 563 [2024-11-14 05:46:34,214 INFO L226 Difference]: Without dead ends: 389 [2024-11-14 05:46:34,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 05:46:34,216 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 179 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 59 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:34,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 559 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 36 Invalid, 10 Unknown, 0 Unchecked, 22.6s Time] [2024-11-14 05:46:34,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-14 05:46:34,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 310. [2024-11-14 05:46:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 193 states have (on average 1.2487046632124352) internal successors, (241), 193 states have internal predecessors, (241), 104 states have call successors, (104), 12 states have call predecessors, (104), 12 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-14 05:46:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 449 transitions. [2024-11-14 05:46:34,268 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 449 transitions. Word has length 170 [2024-11-14 05:46:34,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:34,269 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 449 transitions. [2024-11-14 05:46:34,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:46:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 449 transitions. [2024-11-14 05:46:34,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 05:46:34,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:34,272 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:34,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:46:34,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:46:34,473 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:34,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:34,474 INFO L85 PathProgramCache]: Analyzing trace with hash 960643779, now seen corresponding path program 1 times [2024-11-14 05:46:34,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:46:34,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684105050] [2024-11-14 05:46:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:34,474 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 [2024-11-14 05:46:34,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:46:34,477 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:46:34,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:46:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:46:34,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 05:46:35,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:46:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 05:46:35,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:46:35,287 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:46:35,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684105050] [2024-11-14 05:46:35,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [684105050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:46:35,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:46:35,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 05:46:35,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057532865] [2024-11-14 05:46:35,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:46:35,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 05:46:35,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:46:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 05:46:35,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:46:35,289 INFO L87 Difference]: Start difference. First operand 310 states and 449 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:46:38,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:46:40,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:46:41,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:46:44,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:46:46,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:46:48,783 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 [0] [2024-11-14 05:46:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:48,790 INFO L93 Difference]: Finished difference Result 617 states and 890 transitions. [2024-11-14 05:46:48,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:46:48,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-14 05:46:48,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:48,822 INFO L225 Difference]: With dead ends: 617 [2024-11-14 05:46:48,822 INFO L226 Difference]: Without dead ends: 366 [2024-11-14 05:46:48,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-14 05:46:48,825 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 50 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:48,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 433 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 13.4s Time] [2024-11-14 05:46:48,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-14 05:46:48,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 325. [2024-11-14 05:46:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 208 states have (on average 1.2692307692307692) internal successors, (264), 208 states have internal predecessors, (264), 104 states have call successors, (104), 12 states have call predecessors, (104), 12 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-14 05:46:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 472 transitions. [2024-11-14 05:46:48,875 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 472 transitions. Word has length 171 [2024-11-14 05:46:48,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:48,876 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 472 transitions. [2024-11-14 05:46:48,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:46:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 472 transitions. [2024-11-14 05:46:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 05:46:48,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:48,879 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:48,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:46:49,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:46:49,079 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:49,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1017902081, now seen corresponding path program 1 times [2024-11-14 05:46:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:46:49,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549347483] [2024-11-14 05:46:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:49,080 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 [2024-11-14 05:46:49,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:46:49,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:46:49,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:46:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:46:49,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:46:49,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:46:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 05:46:51,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:46:51,124 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:46:51,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549347483] [2024-11-14 05:46:51,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549347483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:46:51,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:46:51,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 05:46:51,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329099006] [2024-11-14 05:46:51,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:46:51,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 05:46:51,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:46:51,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 05:46:51,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-14 05:46:51,126 INFO L87 Difference]: Start difference. First operand 325 states and 472 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:46:53,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:55,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:58,902 WARN L539 Checker$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 [] [2024-11-14 05:47:00,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:02,907 WARN L539 Checker$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 [] [2024-11-14 05:47:04,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:04,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:04,289 INFO L93 Difference]: Finished difference Result 758 states and 1094 transitions. [2024-11-14 05:47:04,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:47:04,290 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-14 05:47:04,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:04,295 INFO L225 Difference]: With dead ends: 758 [2024-11-14 05:47:04,295 INFO L226 Difference]: Without dead ends: 492 [2024-11-14 05:47:04,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-14 05:47:04,298 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 247 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 166 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:04,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 764 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 131 Invalid, 5 Unknown, 0 Unchecked, 12.7s Time] [2024-11-14 05:47:04,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-14 05:47:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 471. [2024-11-14 05:47:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 294 states have (on average 1.2346938775510203) internal successors, (363), 296 states have internal predecessors, (363), 156 states have call successors, (156), 20 states have call predecessors, (156), 20 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-14 05:47:04,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 675 transitions. [2024-11-14 05:47:04,394 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 675 transitions. Word has length 171 [2024-11-14 05:47:04,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:04,395 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 675 transitions. [2024-11-14 05:47:04,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:47:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 675 transitions. [2024-11-14 05:47:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 05:47:04,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:04,399 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:04,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:47:04,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:47:04,599 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:04,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:04,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1218809217, now seen corresponding path program 1 times [2024-11-14 05:47:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:47:04,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620587377] [2024-11-14 05:47:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:04,601 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 [2024-11-14 05:47:04,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:47:04,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:47:04,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:47:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:05,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:47:05,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:06,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 213 proven. 69 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2024-11-14 05:47:06,803 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:47:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-14 05:47:08,106 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:47:08,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620587377] [2024-11-14 05:47:08,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620587377] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:47:08,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [836518460] [2024-11-14 05:47:08,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:08,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:47:08,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:47:08,108 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:47:08,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 05:47:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:09,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:47:09,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:47:17,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 05:47:17,367 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:47:17,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [836518460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:17,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 05:47:17,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 7] total 19 [2024-11-14 05:47:17,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416132564] [2024-11-14 05:47:17,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:17,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:47:17,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:47:17,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:47:17,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-14 05:47:17,369 INFO L87 Difference]: Start difference. First operand 471 states and 675 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:47:34,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:36,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:38,714 WARN L539 Checker$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 [0] [2024-11-14 05:47:40,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:42,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:45,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:47,070 WARN L539 Checker$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 [0] [2024-11-14 05:47:49,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:50,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:52,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:54,907 WARN L539 Checker$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 [0] [2024-11-14 05:47:56,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:47:58,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:48:00,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:48:02,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:48:04,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:48:06,874 WARN L539 Checker$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 [0] [2024-11-14 05:48:10,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:48:12,354 WARN L539 Checker$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 [] [2024-11-14 05:48:14,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 05:48:16,370 WARN L539 Checker$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 [0] [2024-11-14 05:48:16,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:48:16,495 INFO L93 Difference]: Finished difference Result 881 states and 1254 transitions. [2024-11-14 05:48:16,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-14 05:48:16,497 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-14 05:48:16,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:48:16,506 INFO L225 Difference]: With dead ends: 881 [2024-11-14 05:48:16,509 INFO L226 Difference]: Without dead ends: 552 [2024-11-14 05:48:16,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 492 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=189, Invalid=681, Unknown=0, NotChecked=0, Total=870 [2024-11-14 05:48:16,511 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 308 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 56 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:48:16,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 844 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 310 Invalid, 18 Unknown, 0 Unchecked, 51.8s Time] [2024-11-14 05:48:16,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-14 05:48:16,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 490. [2024-11-14 05:48:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 313 states have (on average 1.2428115015974441) internal successors, (389), 315 states have internal predecessors, (389), 156 states have call successors, (156), 20 states have call predecessors, (156), 20 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-14 05:48:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 701 transitions. [2024-11-14 05:48:16,579 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 701 transitions. Word has length 171 [2024-11-14 05:48:16,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:48:16,580 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 701 transitions. [2024-11-14 05:48:16,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 05:48:16,580 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 701 transitions. [2024-11-14 05:48:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 05:48:16,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:48:16,583 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:48:16,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:48:16,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 05:48:16,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 05:48:16,984 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:48:16,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:48:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1276067519, now seen corresponding path program 1 times [2024-11-14 05:48:16,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:48:16,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [400786309] [2024-11-14 05:48:16,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:48:16,985 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 [2024-11-14 05:48:16,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:48:16,987 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 05:48:16,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83efbfe5-101f-43ac-9a89-8a8adffd5861/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 05:48:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:48:17,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-14 05:48:17,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:49:12,854 WARN L286 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:50:11,464 WARN L286 SmtUtils]: Spent 23.76s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:51:20,434 WARN L286 SmtUtils]: Spent 25.27s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:52:24,144 WARN L286 SmtUtils]: Spent 20.78s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:53:59,120 WARN L286 SmtUtils]: Spent 26.80s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:55:13,949 WARN L286 SmtUtils]: Spent 26.87s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:56:47,457 WARN L286 SmtUtils]: Spent 24.57s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)