./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.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_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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_e61d563c-ab1d-4dfe-abac-725cbc962260/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 b82c9a8499c502d0bd74801770530955769ac9e616506e7cf0d04286124c996f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:42:05,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:42:05,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:42:05,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:42:05,458 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:42:05,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:42:05,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:42:05,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:42:05,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:42:05,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:42:05,500 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:42:05,500 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:42:05,501 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:42:05,501 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:42:05,501 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:42:05,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:42:05,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:42:05,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:42:05,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:42:05,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:42:05,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:42:05,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:42:05,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:05,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:42:05,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:42:05,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:42:05,506 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:42:05,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:42:05,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:42:05,507 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:42:05,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:42:05,507 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_e61d563c-ab1d-4dfe-abac-725cbc962260/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 -> b82c9a8499c502d0bd74801770530955769ac9e616506e7cf0d04286124c996f [2024-11-13 23:42:05,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:42:05,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:42:05,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:42:05,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:42:05,877 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:42:05,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i Unable to find full path for "g++" [2024-11-13 23:42:07,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:42:08,159 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:42:08,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i [2024-11-13 23:42:08,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data/cac207840/6ffaae36fa3743c5b63b3cb682148aab/FLAG43070ed37 [2024-11-13 23:42:08,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data/cac207840/6ffaae36fa3743c5b63b3cb682148aab [2024-11-13 23:42:08,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:42:08,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:42:08,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:08,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:42:08,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:42:08,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e139fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08, skipping insertion in model container [2024-11-13 23:42:08,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:42:08,426 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_e61d563c-ab1d-4dfe-abac-725cbc962260/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i[915,928] [2024-11-13 23:42:08,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:08,529 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:42:08,543 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_e61d563c-ab1d-4dfe-abac-725cbc962260/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i[915,928] [2024-11-13 23:42:08,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:08,628 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:42:08,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08 WrapperNode [2024-11-13 23:42:08,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:08,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:08,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:42:08,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:42:08,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,679 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2024-11-13 23:42:08,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:08,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:42:08,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:42:08,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:42:08,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:42:08,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:42:08,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:42:08,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:42:08,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (1/1) ... [2024-11-13 23:42:08,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:08,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:42:08,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:42:08,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:42:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:42:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:42:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:42:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:42:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:42:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:42:08,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:42:08,900 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:42:09,434 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 23:42:09,434 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:42:09,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:42:09,826 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:42:09,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:09 BoogieIcfgContainer [2024-11-13 23:42:09,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:42:09,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:42:09,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:42:09,844 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:42:09,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:42:08" (1/3) ... [2024-11-13 23:42:09,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55514b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:09, skipping insertion in model container [2024-11-13 23:42:09,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:08" (2/3) ... [2024-11-13 23:42:09,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55514b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:09, skipping insertion in model container [2024-11-13 23:42:09,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:09" (3/3) ... [2024-11-13 23:42:09,847 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-74.i [2024-11-13 23:42:09,864 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:42:09,866 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-74.i that has 2 procedures, 45 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:42:09,942 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:42:09,959 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;@2850092d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:42:09,961 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:42:09,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 23:42:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 23:42:09,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:09,977 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:09,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:09,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:09,984 INFO L85 PathProgramCache]: Analyzing trace with hash 796694730, now seen corresponding path program 1 times [2024-11-13 23:42:09,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:42:09,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264190609] [2024-11-13 23:42:09,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:42:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:42:10,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532468415] [2024-11-13 23:42:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:10,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:42:10,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:42:10,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:42:10,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:42:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:42:10,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:42:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:42:11,156 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:42:11,158 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:42:11,159 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:42:11,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:42:11,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-13 23:42:11,368 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:42:11,486 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:42:11,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:42:11 BoogieIcfgContainer [2024-11-13 23:42:11,494 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:42:11,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:42:11,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:42:11,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:42:11,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:09" (3/4) ... [2024-11-13 23:42:11,501 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:42:11,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:42:11,503 INFO L158 Benchmark]: Toolchain (without parser) took 3305.04ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 65.0MB in the end (delta: 27.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-13 23:42:11,503 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:11,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.60ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:42:11,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.32ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:11,504 INFO L158 Benchmark]: Boogie Preprocessor took 30.50ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:11,505 INFO L158 Benchmark]: RCFGBuilder took 1115.08ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 79.2MB in the end (delta: -4.9MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-13 23:42:11,509 INFO L158 Benchmark]: TraceAbstraction took 1661.17ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 65.8MB in the end (delta: 12.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-13 23:42:11,509 INFO L158 Benchmark]: Witness Printer took 7.36ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 65.0MB in the end (delta: 764.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:42:11,511 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.60ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.32ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.50ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1115.08ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 79.2MB in the end (delta: -4.9MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1661.17ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 65.8MB in the end (delta: 12.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 7.36ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 65.0MB in the end (delta: 764.5kB). 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 shiftLeft at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someBinaryFLOATComparisonOperation at line 129, overapproximation of someBinaryFLOATComparisonOperation at line 123, overapproximation of someBinaryFLOATComparisonOperation at line 127, overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someBinaryFLOATComparisonOperation at line 125, overapproximation of someBinaryDOUBLEComparisonOperation at line 136, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned char var_1_4 = 0; [L24] unsigned long int var_1_5 = 3914692693; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_11 = 50; [L30] signed long int var_1_12 = 25; [L31] signed long int var_1_13 = 1; [L32] float var_1_15 = 4.75; [L33] unsigned char var_1_16 = 100; [L34] float var_1_17 = 50.1; [L35] float var_1_18 = 100.9; [L36] float var_1_19 = 8.5; [L37] float var_1_20 = 10.625; [L38] float var_1_21 = 0.0; [L39] float var_1_22 = 7.8; [L40] float var_1_23 = 8.25; [L41] double var_1_24 = 5.5; [L42] unsigned long int last_1_var_1_1 = 64; [L43] unsigned char last_1_var_1_11 = 50; [L140] isInitial = 1 [L141] FCALL initially() [L142] COND TRUE 1 [L143] CALL updateLastVariables() [L132] last_1_var_1_1 = var_1_1 [L133] last_1_var_1_11 = var_1_11 [L143] RET updateLastVariables() [L144] CALL updateVariables() [L94] var_1_4 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L97] var_1_5 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_5 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_5 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L99] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L100] var_1_7 = __VERIFIER_nondet_ulong() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_8=0, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L103] var_1_9 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0] [L105] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L106] var_1_10 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L108] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L109] var_1_12 = __VERIFIER_nondet_long() [L110] CALL assume_abort_if_not(var_1_12 >= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_12 >= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_12 <= 29) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_12 <= 29) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L112] var_1_13 = __VERIFIER_nondet_long() [L113] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_13 <= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_13 <= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L115] var_1_16 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L118] var_1_17 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L120] var_1_19 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L122] var_1_20 = __VERIFIER_nondet_float() [L123] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L124] var_1_21 = __VERIFIER_nondet_float() [L125] CALL assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L126] var_1_22 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_23=33/4, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L128] var_1_23 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_18=1009/10, var_1_1=64, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L144] RET updateVariables() [L145] CALL step() [L47] signed long int stepLocal_1 = last_1_var_1_11; [L48] signed long int stepLocal_0 = last_1_var_1_11; [L49] COND TRUE stepLocal_1 < last_1_var_1_1 [L50] COND FALSE !(last_1_var_1_1 <= stepLocal_0) [L54] unsigned long int stepLocal_3 = var_1_7; [L55] EXPR 5u << (var_1_12 - var_1_13) [L55] unsigned long int stepLocal_2 = 5u << (var_1_12 - var_1_13); [L56] COND FALSE !(! ((var_1_5 > var_1_7) || var_1_8)) [L67] var_1_11 = var_1_12 [L69] COND FALSE !(! (var_1_11 >= var_1_11)) [L76] var_1_1 = var_1_11 [L78] COND FALSE !(\read(var_1_10)) [L83] COND FALSE !(\read(var_1_10)) [L86] var_1_18 = (((var_1_21 - var_1_22) - var_1_23) + var_1_20) [L88] unsigned long int stepLocal_4 = ~ var_1_1; [L89] COND FALSE !(stepLocal_4 <= (var_1_12 - var_1_11)) [L145] RET step() [L146] CALL, EXPR property() [L136] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L136] EXPR (! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)) [L136] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L136-L137] return ((((((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)))) && (var_1_10 ? ((var_1_1 > (var_1_11 / (var_1_12 + var_1_16))) ? (var_1_15 == ((float) var_1_17)) : 1) : 1)) && (var_1_10 ? (var_1_18 == ((float) (var_1_19 + var_1_20))) : (var_1_18 == ((float) (((var_1_21 - var_1_22) - var_1_23) + var_1_20))))) && (((~ var_1_1) <= (var_1_12 - var_1_11)) ? (var_1_24 == ((double) var_1_22)) : 1) ; [L146] RET, EXPR property() [L146] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=29, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=0, var_1_1=29, var_1_22=0, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=29, var_1_12=29, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=0, var_1_1=29, var_1_22=0, var_1_24=11/2, var_1_4=-255, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 22, 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: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 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 [2024-11-13 23:42:11,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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_e61d563c-ab1d-4dfe-abac-725cbc962260/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 b82c9a8499c502d0bd74801770530955769ac9e616506e7cf0d04286124c996f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:42:14,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:42:14,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:42:14,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:42:14,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:42:14,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:42:14,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:42:14,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:42:14,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:42:14,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:42:14,558 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:42:14,558 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:42:14,558 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:42:14,558 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:42:14,558 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:42:14,558 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:42:14,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:42:14,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:42:14,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:42:14,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:42:14,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:42:14,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:42:14,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:42:14,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:42:14,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:42:14,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:42:14,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:42:14,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:42:14,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:14,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:42:14,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:42:14,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:42:14,562 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:42:14,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:42:14,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:42:14,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:42:14,563 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_e61d563c-ab1d-4dfe-abac-725cbc962260/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 -> b82c9a8499c502d0bd74801770530955769ac9e616506e7cf0d04286124c996f [2024-11-13 23:42:14,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:42:14,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:42:14,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:42:14,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:42:14,891 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:42:14,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i Unable to find full path for "g++" [2024-11-13 23:42:16,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:42:17,231 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:42:17,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i [2024-11-13 23:42:17,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data/7e0e1c579/716f6a4fc57d4a18aff2fe6b227952e6/FLAGcc5b1158d [2024-11-13 23:42:17,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/data/7e0e1c579/716f6a4fc57d4a18aff2fe6b227952e6 [2024-11-13 23:42:17,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:42:17,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:42:17,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:17,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:42:17,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:42:17,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:17,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cdb3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17, skipping insertion in model container [2024-11-13 23:42:17,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:17,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:42:17,757 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_e61d563c-ab1d-4dfe-abac-725cbc962260/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i[915,928] [2024-11-13 23:42:17,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:17,878 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:42:17,890 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_e61d563c-ab1d-4dfe-abac-725cbc962260/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-74.i[915,928] [2024-11-13 23:42:17,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:42:17,971 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:42:17,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17 WrapperNode [2024-11-13 23:42:17,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:42:17,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:17,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:42:17,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:42:17,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:17,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,042 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-13 23:42:18,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:42:18,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:42:18,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:42:18,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:42:18,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:42:18,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:42:18,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:42:18,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:42:18,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (1/1) ... [2024-11-13 23:42:18,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:42:18,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:42:18,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:42:18,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:42:18,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:42:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:42:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:42:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:42:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:42:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:42:18,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:42:18,309 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:42:20,361 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 23:42:20,361 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:42:20,376 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:42:20,376 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:42:20,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:20 BoogieIcfgContainer [2024-11-13 23:42:20,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:42:20,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:42:20,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:42:20,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:42:20,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:42:17" (1/3) ... [2024-11-13 23:42:20,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6febdd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:20, skipping insertion in model container [2024-11-13 23:42:20,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:17" (2/3) ... [2024-11-13 23:42:20,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6febdd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:42:20, skipping insertion in model container [2024-11-13 23:42:20,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:20" (3/3) ... [2024-11-13 23:42:20,386 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-74.i [2024-11-13 23:42:20,400 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:42:20,420 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-74.i that has 2 procedures, 68 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:42:20,476 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:42:20,489 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;@42455f7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:42:20,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:42:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 23:42:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-13 23:42:20,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:20,508 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:20,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:20,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:20,513 INFO L85 PathProgramCache]: Analyzing trace with hash -606097089, now seen corresponding path program 1 times [2024-11-13 23:42:20,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:20,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253333967] [2024-11-13 23:42:20,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:20,527 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 [2024-11-13 23:42:20,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:20,533 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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) [2024-11-13 23:42:20,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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 [2024-11-13 23:42:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:21,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:42:21,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-13 23:42:21,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:42:21,119 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:42:21,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253333967] [2024-11-13 23:42:21,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253333967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:21,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:21,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:42:21,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52469544] [2024-11-13 23:42:21,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:21,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:42:21,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:42:21,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:42:21,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:42:21,160 INFO L87 Difference]: Start difference. First operand has 68 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 23:42:21,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:21,200 INFO L93 Difference]: Finished difference Result 128 states and 220 transitions. [2024-11-13 23:42:21,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:42:21,203 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 141 [2024-11-13 23:42:21,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:21,211 INFO L225 Difference]: With dead ends: 128 [2024-11-13 23:42:21,212 INFO L226 Difference]: Without dead ends: 63 [2024-11-13 23:42:21,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:42:21,218 INFO L432 NwaCegarLoop]: 93 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, 93 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 [2024-11-13 23:42:21,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:42:21,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-13 23:42:21,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-13 23:42:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 23:42:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-11-13 23:42:21,262 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 141 [2024-11-13 23:42:21,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:21,262 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-11-13 23:42:21,263 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-13 23:42:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-11-13 23:42:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-13 23:42:21,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:21,266 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:21,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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 [2024-11-13 23:42:21,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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 [2024-11-13 23:42:21,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:21,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:21,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1325962803, now seen corresponding path program 1 times [2024-11-13 23:42:21,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:21,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159619412] [2024-11-13 23:42:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:21,469 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 [2024-11-13 23:42:21,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:21,472 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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) [2024-11-13 23:42:21,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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 [2024-11-13 23:42:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:21,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:42:21,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 23:42:24,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:42:24,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:42:24,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1159619412] [2024-11-13 23:42:24,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1159619412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:24,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:24,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:42:24,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617846719] [2024-11-13 23:42:24,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:24,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:42:24,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:42:24,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:42:24,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:42:24,101 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 23:42:26,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:28,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:28,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:28,740 INFO L93 Difference]: Finished difference Result 184 states and 274 transitions. [2024-11-13 23:42:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:42:28,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 141 [2024-11-13 23:42:28,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:28,760 INFO L225 Difference]: With dead ends: 184 [2024-11-13 23:42:28,764 INFO L226 Difference]: Without dead ends: 124 [2024-11-13 23:42:28,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:42:28,767 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 54 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:28,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 289 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-13 23:42:28,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-13 23:42:28,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2024-11-13 23:42:28,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 59 states have internal predecessors, (69), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 23:42:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2024-11-13 23:42:28,810 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 141 [2024-11-13 23:42:28,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:28,814 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2024-11-13 23:42:28,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 23:42:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-11-13 23:42:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 23:42:28,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:28,819 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:28,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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)] Forceful destruction successful, exit code 0 [2024-11-13 23:42:29,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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 [2024-11-13 23:42:29,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:29,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:29,020 INFO L85 PathProgramCache]: Analyzing trace with hash 634034714, now seen corresponding path program 1 times [2024-11-13 23:42:29,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:29,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144441168] [2024-11-13 23:42:29,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:29,021 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 [2024-11-13 23:42:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:29,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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) [2024-11-13 23:42:29,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 23:42:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:29,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:42:29,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 23:42:31,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:42:31,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:42:31,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [144441168] [2024-11-13 23:42:31,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [144441168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:31,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:42:31,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 23:42:31,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951536457] [2024-11-13 23:42:31,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:31,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 23:42:31,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:42:31,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 23:42:31,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 23:42:31,295 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 23:42:33,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:35,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:35,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:35,275 INFO L93 Difference]: Finished difference Result 184 states and 273 transitions. [2024-11-13 23:42:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 23:42:35,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-13 23:42:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:35,296 INFO L225 Difference]: With dead ends: 184 [2024-11-13 23:42:35,296 INFO L226 Difference]: Without dead ends: 124 [2024-11-13 23:42:35,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:42:35,297 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 52 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:35,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 290 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-13 23:42:35,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-13 23:42:35,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 107. [2024-11-13 23:42:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 60 states have internal predecessors, (70), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-13 23:42:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 158 transitions. [2024-11-13 23:42:35,322 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 158 transitions. Word has length 142 [2024-11-13 23:42:35,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:35,323 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 158 transitions. [2024-11-13 23:42:35,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 23:42:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 158 transitions. [2024-11-13 23:42:35,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 23:42:35,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:35,329 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:35,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 23:42:35,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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 [2024-11-13 23:42:35,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:35,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:35,530 INFO L85 PathProgramCache]: Analyzing trace with hash 892200152, now seen corresponding path program 1 times [2024-11-13 23:42:35,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:35,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440411410] [2024-11-13 23:42:35,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:35,531 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 [2024-11-13 23:42:35,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:35,535 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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) [2024-11-13 23:42:35,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 23:42:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:35,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:42:35,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:36,473 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 471 proven. 36 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-11-13 23:42:36,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:42:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 27 proven. 36 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 23:42:37,154 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:42:37,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440411410] [2024-11-13 23:42:37,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440411410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:42:37,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1252951544] [2024-11-13 23:42:37,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:37,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:42:37,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:42:37,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:42:37,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:42:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:37,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 23:42:37,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-13 23:42:37,635 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:42:37,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1252951544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:42:37,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 23:42:37,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 7 [2024-11-13 23:42:37,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554409287] [2024-11-13 23:42:37,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:42:37,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 23:42:37,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:42:37,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 23:42:37,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:42:37,640 INFO L87 Difference]: Start difference. First operand 107 states and 158 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 23:42:39,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:41,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:42,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:42:42,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:42:42,759 INFO L93 Difference]: Finished difference Result 198 states and 287 transitions. [2024-11-13 23:42:42,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 23:42:42,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-13 23:42:42,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:42:42,763 INFO L225 Difference]: With dead ends: 198 [2024-11-13 23:42:42,763 INFO L226 Difference]: Without dead ends: 138 [2024-11-13 23:42:42,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 416 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 23:42:42,764 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 36 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-13 23:42:42,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 173 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-13 23:42:42,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-13 23:42:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 135. [2024-11-13 23:42:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 78 states have (on average 1.1538461538461537) internal successors, (90), 79 states have internal predecessors, (90), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-13 23:42:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 194 transitions. [2024-11-13 23:42:42,790 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 194 transitions. Word has length 142 [2024-11-13 23:42:42,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:42:42,791 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 194 transitions. [2024-11-13 23:42:42,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-13 23:42:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 194 transitions. [2024-11-13 23:42:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 23:42:42,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:42:42,794 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:42:42,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 23:42:42,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 23:42:43,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-13 23:42:43,195 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:42:43,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:42:43,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1627759782, now seen corresponding path program 1 times [2024-11-13 23:42:43,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:42:43,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1822685247] [2024-11-13 23:42:43,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:43,196 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 [2024-11-13 23:42:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:42:43,198 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/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) [2024-11-13 23:42:43,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-13 23:42:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:43,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:42:43,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:42:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 494 proven. 60 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-13 23:42:44,777 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 23:42:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-11-13 23:42:45,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:42:45,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1822685247] [2024-11-13 23:42:45,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1822685247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 23:42:45,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [692816522] [2024-11-13 23:42:45,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:42:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:42:45,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-13 23:42:45,823 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:42:45,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e61d563c-ab1d-4dfe-abac-725cbc962260/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:42:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:42:47,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:42:47,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:43:43,208 WARN L286 SmtUtils]: Spent 17.96s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:45:19,156 WARN L286 SmtUtils]: Spent 26.36s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)