./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 7118802c613746983c8a41ad5ebf2b61588fe97f95c22ff109639027a00450af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:38:47,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:38:47,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:38:47,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:38:47,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:38:47,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:38:47,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:38:47,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:38:47,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:38:47,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:38:47,769 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:38:47,769 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:38:47,769 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:38:47,769 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:38:47,769 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:38:47,769 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:38:47,769 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:38:47,770 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:38:47,770 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:38:47,770 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:38:47,770 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:38:47,771 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:38:47,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:38:47,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:38:47,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:38:47,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:38:47,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:38:47,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:38:47,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:38:47,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:38:47,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:38:47,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:38:47,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:38:47,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:38:47,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:38:47,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:38:47,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:38:47,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:38:47,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:38:47,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:38:47,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:38:47,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:38:47,775 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:38:47,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:38:47,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:38:47,775 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:38:47,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:38:47,776 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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 -> 7118802c613746983c8a41ad5ebf2b61588fe97f95c22ff109639027a00450af [2024-11-14 03:38:48,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:38:48,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:38:48,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:38:48,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:38:48,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:38:48,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i Unable to find full path for "g++" [2024-11-14 03:38:50,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:38:50,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:38:50,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i [2024-11-14 03:38:50,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data/afe6d6818/6bc93cce08f74932b1d043ef38cad19b/FLAGa50dc8d4c [2024-11-14 03:38:51,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data/afe6d6818/6bc93cce08f74932b1d043ef38cad19b [2024-11-14 03:38:51,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:38:51,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:38:51,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:38:51,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:38:51,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:38:51,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3939259f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51, skipping insertion in model container [2024-11-14 03:38:51,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:38:51,382 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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i[915,928] [2024-11-14 03:38:51,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:38:51,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:38:51,547 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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i[915,928] [2024-11-14 03:38:51,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:38:51,641 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:38:51,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51 WrapperNode [2024-11-14 03:38:51,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:38:51,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:38:51,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:38:51,644 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:38:51,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,730 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-11-14 03:38:51,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:38:51,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:38:51,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:38:51,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:38:51,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:38:51,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:38:51,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:38:51,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:38:51,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (1/1) ... [2024-11-14 03:38:51,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:38:51,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:51,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:38:51,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:38:51,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:38:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:38:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:38:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:38:51,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:38:51,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:38:51,991 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:38:51,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:38:52,504 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-14 03:38:52,504 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:38:52,761 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:38:52,761 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:38:52,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:38:52 BoogieIcfgContainer [2024-11-14 03:38:52,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:38:52,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:38:52,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:38:52,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:38:52,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:38:51" (1/3) ... [2024-11-14 03:38:52,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed2edf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:38:52, skipping insertion in model container [2024-11-14 03:38:52,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:38:51" (2/3) ... [2024-11-14 03:38:52,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed2edf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:38:52, skipping insertion in model container [2024-11-14 03:38:52,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:38:52" (3/3) ... [2024-11-14 03:38:52,774 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-58.i [2024-11-14 03:38:52,796 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:38:52,801 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-58.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:38:52,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:38:52,907 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;@484831e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:38:52,908 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:38:52,913 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:38:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-14 03:38:52,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:38:52,928 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:38:52,929 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:38:52,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:38:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash 128876724, now seen corresponding path program 1 times [2024-11-14 03:38:52,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:38:52,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036325163] [2024-11-14 03:38:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:52,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:38:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:38:53,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168547757] [2024-11-14 03:38:53,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:38:53,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:38:53,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:38:53,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:38:53,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:38:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:38:53,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:38:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:38:54,054 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:38:54,058 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:38:54,060 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:38:54,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:38:54,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:38:54,267 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:38:54,425 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:38:54,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:38:54 BoogieIcfgContainer [2024-11-14 03:38:54,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:38:54,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:38:54,431 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:38:54,431 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:38:54,432 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:38:52" (3/4) ... [2024-11-14 03:38:54,438 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:38:54,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:38:54,441 INFO L158 Benchmark]: Toolchain (without parser) took 3325.38ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 83.7MB in the end (delta: 8.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-14 03:38:54,441 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:38:54,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.14ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:38:54,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.56ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:38:54,445 INFO L158 Benchmark]: Boogie Preprocessor took 64.83ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:38:54,445 INFO L158 Benchmark]: RCFGBuilder took 961.70ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 83.0MB in the end (delta: -9.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-14 03:38:54,446 INFO L158 Benchmark]: TraceAbstraction took 1665.12ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 84.5MB in the end (delta: -2.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-14 03:38:54,446 INFO L158 Benchmark]: Witness Printer took 9.06ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.7MB in the end (delta: 789.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:38:54,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.14ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.56ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 74.9MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.83ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 73.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 961.70ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 83.0MB in the end (delta: -9.8MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1665.12ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 84.5MB in the end (delta: -2.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Witness Printer took 9.06ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 83.7MB in the end (delta: 789.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 138. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_3 = 16; [L24] unsigned char var_1_5 = 200; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed short int var_1_10 = 128; [L30] signed short int var_1_11 = 5; [L31] signed char var_1_12 = -2; [L32] signed char var_1_13 = -32; [L33] signed char var_1_14 = 2; [L34] signed char var_1_15 = 25; [L35] signed char var_1_16 = 1; [L36] signed char var_1_17 = 0; [L37] signed long int var_1_18 = -16; [L38] float var_1_19 = 2.775; [L39] unsigned long int var_1_20 = 2381110720; [L40] float var_1_21 = 10000000000000.5; [L41] signed short int last_1_var_1_10 = 128; [L42] signed short int last_1_var_1_11 = 5; [L43] signed char last_1_var_1_15 = 25; [L142] isInitial = 1 [L143] FCALL initially() [L144] int k_loop; [L145] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=16, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L145] COND TRUE k_loop < 1 [L146] CALL updateLastVariables() [L133] last_1_var_1_10 = var_1_10 [L134] last_1_var_1_11 = var_1_11 [L135] last_1_var_1_15 = var_1_15 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L95] var_1_3 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L97] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L98] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=200, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L101] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L102] var_1_6 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_7=0, var_1_8=0, var_1_9=0] [L104] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L105] var_1_7 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_8=0, var_1_9=0] [L107] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=0] [L108] var_1_8 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_9=0] [L110] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=0] [L111] var_1_9 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1] [L113] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=-32, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L114] var_1_13 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=2, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L117] var_1_14 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_14 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_14 >= -127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=1, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L120] var_1_16 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=0, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L123] var_1_17 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L125] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=2381110720, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L126] var_1_20 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_20 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_20 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L128] CALL assume_abort_if_not(var_1_20 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_20 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_21=20000000000001/2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L129] var_1_21 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=128, var_1_11=5, var_1_12=-2, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=-16, var_1_19=111/40, var_1_1=0, var_1_20=-133985768, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L147] RET updateVariables() [L148] CALL step() [L47] COND FALSE !((last_1_var_1_15 / var_1_3) <= 2) [L58] var_1_1 = var_1_5 [L60] unsigned char stepLocal_0 = var_1_1; [L61] COND TRUE var_1_3 <= stepLocal_0 [L62] var_1_10 = ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))) [L64] var_1_12 = ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))) [L65] COND FALSE !(\read(var_1_7)) [L68] signed char stepLocal_2 = var_1_16; [L69] COND TRUE stepLocal_2 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3))) [L70] var_1_18 = (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))) [L74] COND TRUE 100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15) [L75] COND TRUE var_1_20 > 1u [L76] COND TRUE \read(var_1_9) [L77] var_1_19 = var_1_21 [L85] signed long int stepLocal_1 = ((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5; [L86] COND TRUE last_1_var_1_11 >= stepLocal_1 [L87] var_1_11 = ((var_1_5 + var_1_15) + var_1_3) [L148] RET step() [L149] CALL, EXPR property() [L138-L139] return ((((((((last_1_var_1_15 / var_1_3) <= 2) ? ((var_1_3 < (((((~ last_1_var_1_15)) < (last_1_var_1_10)) ? ((~ last_1_var_1_15)) : (last_1_var_1_10)))) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (16)) ? (var_1_5) : (16))))) : ((((var_1_6 || var_1_7) && var_1_8) || var_1_9) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_5)))) : (var_1_1 == ((unsigned char) var_1_5))) && ((var_1_3 <= var_1_1) ? (var_1_10 == ((signed short int) ((((var_1_5) < (var_1_3)) ? (var_1_5) : (var_1_3))))) : 1)) && ((last_1_var_1_11 >= (((((var_1_15) < (var_1_10)) ? (var_1_15) : (var_1_10))) + var_1_5)) ? (var_1_11 == ((signed short int) ((var_1_5 + var_1_15) + var_1_3))) : (var_1_8 ? (var_1_11 == ((signed short int) var_1_3)) : 1))) && (var_1_12 == ((signed char) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) && (var_1_7 ? (var_1_15 == ((signed char) (((((32) < ((16 + var_1_16))) ? (32) : ((16 + var_1_16)))) - var_1_17))) : 1)) && ((var_1_16 <= ((((var_1_13) > (var_1_3)) ? (var_1_13) : (var_1_3)))) ? (var_1_18 == ((signed long int) (((((64 - var_1_16)) > (var_1_17)) ? ((64 - var_1_16)) : (var_1_17))))) : (var_1_18 == ((signed long int) 4)))) && ((100000000u < (((((4160981528u) < (var_1_20)) ? (4160981528u) : (var_1_20))) - var_1_15)) ? ((var_1_20 > 1u) ? (var_1_9 ? (var_1_19 == ((float) var_1_21)) : (var_1_19 == ((float) var_1_21))) : (var_1_19 == ((float) var_1_21))) : 1) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=2, var_1_11=29, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=64, var_1_19=2, var_1_1=2, var_1_20=-133985768, var_1_21=2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_11=5, last_1_var_1_15=25, var_1_10=2, var_1_11=29, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=25, var_1_16=0, var_1_17=64, var_1_18=64, var_1_19=2, var_1_1=2, var_1_20=-133985768, var_1_21=2, var_1_3=2, var_1_5=2, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 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 03:38:54,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 7118802c613746983c8a41ad5ebf2b61588fe97f95c22ff109639027a00450af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:38:57,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:38:58,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:38:58,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:38:58,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:38:58,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:38:58,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:38:58,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:38:58,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:38:58,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:38:58,090 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:38:58,090 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:38:58,091 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:38:58,091 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:38:58,091 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:38:58,091 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:38:58,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:38:58,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:38:58,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:38:58,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:38:58,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:38:58,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:38:58,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:38:58,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:38:58,093 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:38:58,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:38:58,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:38:58,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:38:58,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:38:58,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:38:58,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:38:58,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:38:58,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:38:58,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:38:58,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:38:58,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:38:58,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:38:58,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:38:58,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:38:58,096 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:38:58,096 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:38:58,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:38:58,097 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:38:58,097 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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 -> 7118802c613746983c8a41ad5ebf2b61588fe97f95c22ff109639027a00450af [2024-11-14 03:38:58,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:38:58,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:38:58,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:38:58,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:38:58,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:38:58,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i Unable to find full path for "g++" [2024-11-14 03:39:00,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:39:01,264 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:39:01,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i [2024-11-14 03:39:01,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data/8cdecaece/170f4ae3b81a4a5c87f80127d19fb5fe/FLAG8ce0135ca [2024-11-14 03:39:01,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/data/8cdecaece/170f4ae3b81a4a5c87f80127d19fb5fe [2024-11-14 03:39:01,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:39:01,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:39:01,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:39:01,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:39:01,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:39:01,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8a10d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01, skipping insertion in model container [2024-11-14 03:39:01,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:39:01,525 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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i[915,928] [2024-11-14 03:39:01,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:39:01,635 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:39:01,649 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_f95f206e-1f09-4a1a-9c69-83c1c7e43017/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-58.i[915,928] [2024-11-14 03:39:01,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:39:01,731 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:39:01,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01 WrapperNode [2024-11-14 03:39:01,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:39:01,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:39:01,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:39:01,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:39:01,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,792 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-14 03:39:01,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:39:01,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:39:01,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:39:01,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:39:01,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:39:01,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:39:01,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:39:01,838 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:39:01,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (1/1) ... [2024-11-14 03:39:01,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:39:01,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:39:01,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:39:01,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:39:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:39:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:39:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:39:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:39:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:39:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:39:02,025 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:39:02,027 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:39:02,565 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-14 03:39:02,566 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:39:02,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:39:02,586 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:39:02,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:39:02 BoogieIcfgContainer [2024-11-14 03:39:02,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:39:02,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:39:02,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:39:02,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:39:02,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:39:01" (1/3) ... [2024-11-14 03:39:02,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:39:02, skipping insertion in model container [2024-11-14 03:39:02,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:39:01" (2/3) ... [2024-11-14 03:39:02,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:39:02, skipping insertion in model container [2024-11-14 03:39:02,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:39:02" (3/3) ... [2024-11-14 03:39:02,622 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-58.i [2024-11-14 03:39:02,647 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:39:02,650 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-58.i that has 2 procedures, 70 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:39:02,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:39:02,773 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;@16893a48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:39:02,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:39:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:39:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 03:39:02,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:02,801 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:02,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:39:02,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:02,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1348747642, now seen corresponding path program 1 times [2024-11-14 03:39:02,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:39:02,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983517702] [2024-11-14 03:39:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:02,827 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 03:39:02,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:39:02,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:02,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:03,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 03:39:03,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-14 03:39:03,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:39:03,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:39:03,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983517702] [2024-11-14 03:39:03,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983517702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:39:03,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:39:03,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:39:03,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971455243] [2024-11-14 03:39:03,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:39:03,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 03:39:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:39:03,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 03:39:03,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 03:39:03,363 INFO L87 Difference]: Start difference. First operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 03:39:03,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:03,407 INFO L93 Difference]: Finished difference Result 137 states and 235 transitions. [2024-11-14 03:39:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 03:39:03,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 151 [2024-11-14 03:39:03,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:03,423 INFO L225 Difference]: With dead ends: 137 [2024-11-14 03:39:03,423 INFO L226 Difference]: Without dead ends: 66 [2024-11-14 03:39:03,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 03:39:03,436 INFO L432 NwaCegarLoop]: 104 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, 104 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 03:39:03,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 03:39:03,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-14 03:39:03,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-14 03:39:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:39:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 100 transitions. [2024-11-14 03:39:03,505 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 100 transitions. Word has length 151 [2024-11-14 03:39:03,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:03,508 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 100 transitions. [2024-11-14 03:39:03,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-14 03:39:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2024-11-14 03:39:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-14 03:39:03,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:03,520 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:03,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:03,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:03,721 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:39:03,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:03,722 INFO L85 PathProgramCache]: Analyzing trace with hash 784719170, now seen corresponding path program 1 times [2024-11-14 03:39:03,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:39:03,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280488653] [2024-11-14 03:39:03,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:03,725 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 03:39:03,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:39:03,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:03,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:04,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:39:04,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-14 03:39:04,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:39:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 03:39:05,515 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:39:05,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280488653] [2024-11-14 03:39:05,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280488653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:39:05,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1558050920] [2024-11-14 03:39:05,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:05,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:39:05,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:39:05,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:39:05,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 03:39:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:07,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 03:39:07,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-14 03:39:07,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:39:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 03:39:08,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1558050920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:39:08,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034758444] [2024-11-14 03:39:08,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:08,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:39:08,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:39:08,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:39:08,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 03:39:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:08,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:39:08,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-14 03:39:09,152 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:39:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 03:39:09,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034758444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:39:09,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 03:39:09,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 9 [2024-11-14 03:39:09,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659945807] [2024-11-14 03:39:09,608 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 03:39:09,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 03:39:09,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:39:09,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 03:39:09,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-14 03:39:09,613 INFO L87 Difference]: Start difference. First operand 66 states and 100 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-14 03:39:11,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:11,185 INFO L93 Difference]: Finished difference Result 249 states and 374 transitions. [2024-11-14 03:39:11,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 03:39:11,187 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 151 [2024-11-14 03:39:11,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:11,194 INFO L225 Difference]: With dead ends: 249 [2024-11-14 03:39:11,194 INFO L226 Difference]: Without dead ends: 186 [2024-11-14 03:39:11,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 903 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-11-14 03:39:11,196 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 208 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:11,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 282 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-14 03:39:11,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-14 03:39:11,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 177. [2024-11-14 03:39:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 103 states have (on average 1.2524271844660195) internal successors, (129), 104 states have internal predecessors, (129), 69 states have call successors, (69), 4 states have call predecessors, (69), 4 states have return successors, (69), 68 states have call predecessors, (69), 69 states have call successors, (69) [2024-11-14 03:39:11,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 267 transitions. [2024-11-14 03:39:11,243 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 267 transitions. Word has length 151 [2024-11-14 03:39:11,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:11,244 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 267 transitions. [2024-11-14 03:39:11,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-11-14 03:39:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 267 transitions. [2024-11-14 03:39:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-14 03:39:11,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:11,247 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:11,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 03:39:11,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:11,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 03:39:11,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:39:11,852 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:39:11,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:11,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1010927649, now seen corresponding path program 1 times [2024-11-14 03:39:11,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:39:11,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594369791] [2024-11-14 03:39:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:11,854 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 03:39:11,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:39:11,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:11,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 (6)] Waiting until timeout for monitored process [2024-11-14 03:39:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:12,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:39:12,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-14 03:39:12,235 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:39:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 03:39:12,581 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:39:12,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594369791] [2024-11-14 03:39:12,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594369791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:39:12,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [757586918] [2024-11-14 03:39:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:12,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:39:12,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:39:12,584 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:39:12,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 03:39:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:13,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:39:13,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-14 03:39:13,475 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:39:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 03:39:13,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [757586918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:39:13,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809427210] [2024-11-14 03:39:13,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:39:13,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:39:13,757 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:39:13,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 03:39:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:13,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:39:13,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:39:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 233 proven. 6 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-11-14 03:39:13,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:39:14,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-14 03:39:14,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809427210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:39:14,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 03:39:14,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2024-11-14 03:39:14,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800051375] [2024-11-14 03:39:14,285 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 03:39:14,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 03:39:14,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:39:14,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 03:39:14,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:39:14,289 INFO L87 Difference]: Start difference. First operand 177 states and 267 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-14 03:39:14,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:39:14,787 INFO L93 Difference]: Finished difference Result 251 states and 375 transitions. [2024-11-14 03:39:14,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 03:39:14,789 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 152 [2024-11-14 03:39:14,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:39:14,794 INFO L225 Difference]: With dead ends: 251 [2024-11-14 03:39:14,797 INFO L226 Difference]: Without dead ends: 142 [2024-11-14 03:39:14,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 909 GetRequests, 900 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-14 03:39:14,801 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 92 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:39:14,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 158 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:39:14,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-14 03:39:14,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 70. [2024-11-14 03:39:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-14 03:39:14,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 101 transitions. [2024-11-14 03:39:14,837 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 101 transitions. Word has length 152 [2024-11-14 03:39:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:39:14,840 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 101 transitions. [2024-11-14 03:39:14,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-11-14 03:39:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2024-11-14 03:39:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-14 03:39:14,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:39:14,848 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:14,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 03:39:15,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 (6)] Ended with exit code 0 [2024-11-14 03:39:15,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 03:39:15,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 03:39:15,449 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:39:15,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:39:15,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1842202135, now seen corresponding path program 1 times [2024-11-14 03:39:15,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:39:15,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622406182] [2024-11-14 03:39:15,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:39:15,451 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 03:39:15,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:39:15,453 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:15,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95f206e-1f09-4a1a-9c69-83c1c7e43017/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 03:39:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:39:15,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-14 03:39:15,702 INFO L278 TraceCheckSpWp]: Computing forward predicates...