./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.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_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/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_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/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_8458a348-ccd0-4661-a476-e7806728bb06/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 9e76c5d054d105f204a8837692fbbd2fd3cc4beaf73b3b0fb816cdb3f665df20 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:57:33,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:57:33,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:57:33,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:57:33,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:57:33,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:57:33,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:57:33,429 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:57:33,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:57:33,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:57:33,430 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:57:33,430 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:57:33,430 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:57:33,430 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:57:33,430 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:57:33,431 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:57:33,431 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:57:33,431 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:57:33,431 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:57:33,431 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:57:33,432 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:57:33,432 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:57:33,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:57:33,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:57:33,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:57:33,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:57:33,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:57:33,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:57:33,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:57:33,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:57:33,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:57:33,434 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:57:33,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:57:33,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:57:33,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:57:33,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:57:33,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:57:33,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:57:33,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:33,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:57:33,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:57:33,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:57:33,436 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:57:33,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:57:33,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:57:33,436 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:57:33,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:57:33,436 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_8458a348-ccd0-4661-a476-e7806728bb06/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 -> 9e76c5d054d105f204a8837692fbbd2fd3cc4beaf73b3b0fb816cdb3f665df20 [2024-11-14 02:57:33,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:57:33,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:57:33,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:57:33,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:57:33,790 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:57:33,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i Unable to find full path for "g++" [2024-11-14 02:57:36,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:57:36,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:57:36,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i [2024-11-14 02:57:36,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data/30f8bc745/0222e889f8244157b326ecb093173923/FLAGd4e2fbd7c [2024-11-14 02:57:36,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data/30f8bc745/0222e889f8244157b326ecb093173923 [2024-11-14 02:57:36,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:57:36,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:57:36,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:36,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:57:36,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:57:36,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36321d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36, skipping insertion in model container [2024-11-14 02:57:36,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:57:36,577 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_8458a348-ccd0-4661-a476-e7806728bb06/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i[913,926] [2024-11-14 02:57:36,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:36,681 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:57:36,692 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_8458a348-ccd0-4661-a476-e7806728bb06/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i[913,926] [2024-11-14 02:57:36,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:36,777 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:57:36,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36 WrapperNode [2024-11-14 02:57:36,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:36,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:36,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:57:36,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:57:36,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,852 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2024-11-14 02:57:36,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:36,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:57:36,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:57:36,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:57:36,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:57:36,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:57:36,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:57:36,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:57:36,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (1/1) ... [2024-11-14 02:57:36,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:36,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:57:36,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:57:36,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:57:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:57:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:57:37,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:57:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:57:37,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:57:37,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:57:37,142 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:57:37,144 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:57:37,587 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 02:57:37,588 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:57:37,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:57:37,758 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:57:37,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:37 BoogieIcfgContainer [2024-11-14 02:57:37,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:57:37,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:57:37,762 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:57:37,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:57:37,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:57:36" (1/3) ... [2024-11-14 02:57:37,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68266b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:37, skipping insertion in model container [2024-11-14 02:57:37,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:36" (2/3) ... [2024-11-14 02:57:37,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68266b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:37, skipping insertion in model container [2024-11-14 02:57:37,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:37" (3/3) ... [2024-11-14 02:57:37,769 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-79.i [2024-11-14 02:57:37,786 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:57:37,788 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-79.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:57:37,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:57:37,865 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;@3fd14e93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:57:37,867 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:57:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 02:57:37,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-14 02:57:37,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:37,885 INFO L215 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:57:37,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:57:37,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:37,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1370971177, now seen corresponding path program 1 times [2024-11-14 02:57:37,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:57:37,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871914714] [2024-11-14 02:57:37,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:37,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:57:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:57:38,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [150082386] [2024-11-14 02:57:38,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:38,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:57:38,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:57:38,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:57:38,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:57:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:57:38,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:57:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:57:38,769 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:57:38,772 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:57:38,773 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:57:38,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:57:38,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:57:38,979 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:57:39,082 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:57:39,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:57:39 BoogieIcfgContainer [2024-11-14 02:57:39,086 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:57:39,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:57:39,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:57:39,087 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:57:39,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:37" (3/4) ... [2024-11-14 02:57:39,090 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:57:39,091 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:57:39,093 INFO L158 Benchmark]: Toolchain (without parser) took 2710.83ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 35.5MB in the end (delta: 55.9MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-14 02:57:39,093 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:57:39,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.51ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.6MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:57:39,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.21ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:57:39,094 INFO L158 Benchmark]: Boogie Preprocessor took 70.69ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:57:39,095 INFO L158 Benchmark]: RCFGBuilder took 834.46ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 86.2MB in the end (delta: -15.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-11-14 02:57:39,095 INFO L158 Benchmark]: TraceAbstraction took 1324.19ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 36.2MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-14 02:57:39,095 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 117.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:57:39,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.51ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 76.6MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.21ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.69ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 70.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 834.46ms. Allocated memory is still 117.4MB. Free memory was 70.9MB in the beginning and 86.2MB in the end (delta: -15.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1324.19ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 36.2MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 117.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 145, overapproximation of someUnaryDOUBLEoperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryDOUBLEComparisonOperation at line 112. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 50; [L26] unsigned char var_1_8 = 0; [L27] double var_1_9 = 127.625; [L28] double var_1_10 = 256.8; [L29] double var_1_11 = 0.30000000000000004; [L30] signed long int var_1_12 = -2; [L31] double var_1_13 = 2.475; [L32] double var_1_14 = 25.2; [L33] double var_1_15 = 500.125; [L34] double var_1_16 = 10.75; [L35] double var_1_17 = 255.4; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 100; [L39] unsigned char var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_23 = 1; [L42] unsigned char var_1_24 = 8; [L43] unsigned char var_1_25 = 10; [L44] float var_1_26 = 16.8; [L45] unsigned long int var_1_27 = 64; [L46] unsigned char last_1_var_1_18 = 1; [L47] unsigned char last_1_var_1_20 = 100; [L149] isInitial = 1 [L150] FCALL initially() [L151] COND TRUE 1 [L152] CALL updateLastVariables() [L141] last_1_var_1_18 = var_1_18 [L142] last_1_var_1_20 = var_1_20 [L152] RET updateLastVariables() [L153] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L100] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L101] var_1_3 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L103] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L104] var_1_8 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_9=1021/8] [L106] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L107] var_1_10 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L109] var_1_11 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L113] var_1_14 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L115] var_1_15 = __VERIFIER_nondet_double() [L116] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L117] var_1_16 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L119] var_1_17 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L121] var_1_19 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L123] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L124] var_1_21 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L126] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L127] var_1_22 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L129] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L130] var_1_23 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L132] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L133] var_1_24 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L135] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L136] var_1_25 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L138] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=84/5, var_1_27=64, var_1_2=0, var_1_3=0, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L153] RET updateVariables() [L154] CALL step() [L51] signed long int stepLocal_1 = last_1_var_1_20; [L52] unsigned char stepLocal_0 = last_1_var_1_18; [L53] COND TRUE stepLocal_0 && last_1_var_1_18 [L54] COND FALSE !(((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > stepLocal_1) [L57] var_1_7 = var_1_8 [L62] COND FALSE !(\read(var_1_3)) [L67] var_1_26 = var_1_16 [L68] var_1_27 = 10u [L69] unsigned long int stepLocal_2 = var_1_27; [L70] COND FALSE !(stepLocal_2 != (var_1_8 + var_1_7)) [L73] var_1_9 = ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))) [L75] COND TRUE var_1_8 >= var_1_7 [L76] COND FALSE !(var_1_15 >= var_1_26) [L79] var_1_20 = var_1_24 [L84] COND TRUE \read(var_1_18) [L85] COND FALSE !(! var_1_18) [L88] var_1_1 = (var_1_20 - var_1_20) [L93] COND FALSE !((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) [L154] RET step() [L155] CALL, EXPR property() [L145-L146] return (((((((var_1_18 ? ((! var_1_18) ? (var_1_1 == ((signed short int) (var_1_7 + 5))) : (var_1_1 == ((signed short int) (var_1_20 - var_1_20)))) : (var_1_1 == ((signed short int) var_1_20))) && ((last_1_var_1_18 && last_1_var_1_18) ? ((((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > last_1_var_1_20) ? (var_1_7 == ((unsigned char) var_1_8)) : (var_1_7 == ((unsigned char) var_1_8))) : (var_1_7 == ((unsigned char) var_1_8)))) && ((var_1_27 != (var_1_8 + var_1_7)) ? (var_1_9 == ((double) ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))))) : (var_1_9 == ((double) ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))))))) && (((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) ? (var_1_12 == ((signed long int) (var_1_20 + var_1_20))) : 1)) && (var_1_3 ? (var_1_2 ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1) : 1)) && ((var_1_8 >= var_1_7) ? ((var_1_15 >= var_1_26) ? (var_1_20 == ((unsigned char) (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))))) : (var_1_20 == ((unsigned char) var_1_24))) : (var_1_20 == ((unsigned char) var_1_22)))) && (var_1_26 == ((float) var_1_16))) && (var_1_27 == ((unsigned long int) 10u)) ; [L155] RET, EXPR property() [L155] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=3, var_1_12=-2, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=2, var_1_27=10, var_1_2=0, var_1_3=0, var_1_7=5, var_1_8=5, var_1_9=3] [L19] reach_error() VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=3, var_1_12=-2, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=2, var_1_27=10, var_1_2=0, var_1_3=0, var_1_7=5, var_1_8=5, var_1_9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:57:39,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/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_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/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_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/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_8458a348-ccd0-4661-a476-e7806728bb06/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 9e76c5d054d105f204a8837692fbbd2fd3cc4beaf73b3b0fb816cdb3f665df20 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:57:42,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:57:42,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:57:42,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:57:42,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:57:42,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:57:42,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:57:42,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:57:42,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:57:42,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:57:42,318 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:57:42,318 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:57:42,318 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:57:42,318 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:57:42,318 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:57:42,319 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:57:42,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:57:42,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:57:42,319 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:57:42,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:57:42,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:57:42,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:57:42,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:57:42,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:57:42,320 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:57:42,321 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:57:42,321 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:57:42,321 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:57:42,321 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:57:42,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:57:42,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:57:42,321 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:57:42,321 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:42,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:57:42,322 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:57:42,322 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_8458a348-ccd0-4661-a476-e7806728bb06/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 -> 9e76c5d054d105f204a8837692fbbd2fd3cc4beaf73b3b0fb816cdb3f665df20 [2024-11-14 02:57:42,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:57:42,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:57:42,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:57:42,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:57:42,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:57:42,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i Unable to find full path for "g++" [2024-11-14 02:57:44,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:57:45,223 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:57:45,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i [2024-11-14 02:57:45,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data/915c7d0eb/e8b47c8fcb56419d8986ff7af4a8b5b8/FLAG5cc9d310b [2024-11-14 02:57:45,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/data/915c7d0eb/e8b47c8fcb56419d8986ff7af4a8b5b8 [2024-11-14 02:57:45,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:57:45,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:57:45,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:45,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:57:45,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:57:45,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:45" (1/1) ... [2024-11-14 02:57:45,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e5fc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:45, skipping insertion in model container [2024-11-14 02:57:45,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:57:45" (1/1) ... [2024-11-14 02:57:45,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:57:45,780 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_8458a348-ccd0-4661-a476-e7806728bb06/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i[913,926] [2024-11-14 02:57:45,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:45,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:57:45,929 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_8458a348-ccd0-4661-a476-e7806728bb06/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-79.i[913,926] [2024-11-14 02:57:45,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:57:46,021 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:57:46,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46 WrapperNode [2024-11-14 02:57:46,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:57:46,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:46,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:57:46,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:57:46,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,106 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2024-11-14 02:57:46,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:57:46,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:57:46,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:57:46,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:57:46,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:57:46,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:57:46,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:57:46,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:57:46,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (1/1) ... [2024-11-14 02:57:46,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:57:46,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:57:46,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:57:46,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:57:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:57:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:57:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:57:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:57:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:57:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:57:46,385 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:57:46,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:57:53,180 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-14 02:57:53,180 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:57:53,196 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:57:53,198 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:57:53,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:53 BoogieIcfgContainer [2024-11-14 02:57:53,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:57:53,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:57:53,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:57:53,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:57:53,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:57:45" (1/3) ... [2024-11-14 02:57:53,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a192a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:53, skipping insertion in model container [2024-11-14 02:57:53,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:57:46" (2/3) ... [2024-11-14 02:57:53,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a192a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:57:53, skipping insertion in model container [2024-11-14 02:57:53,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:57:53" (3/3) ... [2024-11-14 02:57:53,208 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-79.i [2024-11-14 02:57:53,224 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:57:53,226 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-79.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:57:53,284 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:57:53,296 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;@e810cff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:57:53,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:57:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-14 02:57:53,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-14 02:57:53,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:57:53,315 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:57:53,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:57:53,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:57:53,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1335039165, now seen corresponding path program 1 times [2024-11-14 02:57:53,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:57:53,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854889622] [2024-11-14 02:57:53,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:57:53,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:57:53,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:57:53,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:57:53,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 02:57:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:57:54,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 02:57:54,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:57:55,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 02:57:55,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:57:55,457 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:57:55,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854889622] [2024-11-14 02:57:55,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854889622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:57:55,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:57:55,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 02:57:55,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823922752] [2024-11-14 02:57:55,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:57:55,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:57:55,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:57:55,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:57:55,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:57:55,494 INFO L87 Difference]: Start difference. First operand has 71 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 02:57:58,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:00,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:02,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:05,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:05,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:05,224 INFO L93 Difference]: Finished difference Result 213 states and 385 transitions. [2024-11-14 02:58:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 02:58:05,256 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 157 [2024-11-14 02:58:05,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:05,269 INFO L225 Difference]: With dead ends: 213 [2024-11-14 02:58:05,269 INFO L226 Difference]: Without dead ends: 145 [2024-11-14 02:58:05,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:58:05,282 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 81 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:05,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 338 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 73 Invalid, 4 Unknown, 0 Unchecked, 9.5s Time] [2024-11-14 02:58:05,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-14 02:58:05,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 129. [2024-11-14 02:58:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 76 states have (on average 1.25) internal successors, (95), 76 states have internal predecessors, (95), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-14 02:58:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 195 transitions. [2024-11-14 02:58:05,397 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 195 transitions. Word has length 157 [2024-11-14 02:58:05,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:05,399 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 195 transitions. [2024-11-14 02:58:05,399 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, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 02:58:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 195 transitions. [2024-11-14 02:58:05,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-14 02:58:05,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:05,406 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:05,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 02:58:05,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:58:05,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:05,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1308143327, now seen corresponding path program 1 times [2024-11-14 02:58:05,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:05,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [587828100] [2024-11-14 02:58:05,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:05,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:58:05,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:05,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:58:05,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 02:58:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:06,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 02:58:06,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-14 02:58:06,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:58:06,336 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:06,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [587828100] [2024-11-14 02:58:06,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [587828100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:58:06,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:58:06,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:58:06,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592838077] [2024-11-14 02:58:06,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:58:06,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:58:06,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:06,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:58:06,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:58:06,342 INFO L87 Difference]: Start difference. First operand 129 states and 195 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 02:58:08,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:08,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:08,627 INFO L93 Difference]: Finished difference Result 271 states and 405 transitions. [2024-11-14 02:58:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:58:08,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 159 [2024-11-14 02:58:08,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:08,630 INFO L225 Difference]: With dead ends: 271 [2024-11-14 02:58:08,631 INFO L226 Difference]: Without dead ends: 145 [2024-11-14 02:58:08,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:58:08,633 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 32 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:08,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 181 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2024-11-14 02:58:08,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-14 02:58:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2024-11-14 02:58:08,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 85 states have (on average 1.2) internal successors, (102), 86 states have internal predecessors, (102), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-14 02:58:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2024-11-14 02:58:08,692 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 159 [2024-11-14 02:58:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:08,692 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2024-11-14 02:58:08,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-14 02:58:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2024-11-14 02:58:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 02:58:08,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:08,702 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:08,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 02:58:08,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:58:08,903 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:08,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:08,909 INFO L85 PathProgramCache]: Analyzing trace with hash -981284748, now seen corresponding path program 1 times [2024-11-14 02:58:08,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:08,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315227754] [2024-11-14 02:58:08,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:08,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:58:08,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:08,915 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:58:08,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-14 02:58:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:09,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:58:09,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-14 02:58:10,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:58:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 02:58:11,188 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:58:11,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315227754] [2024-11-14 02:58:11,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315227754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:58:11,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [825312389] [2024-11-14 02:58:11,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:11,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:58:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:58:11,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:58:11,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-14 02:58:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:13,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 02:58:13,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-14 02:58:13,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:58:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 02:58:14,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [825312389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:58:14,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965497032] [2024-11-14 02:58:14,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:14,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:58:14,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:58:14,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:58:14,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 02:58:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:14,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:58:14,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:58:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 612 proven. 30 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-14 02:58:17,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:58:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-14 02:58:18,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965497032] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:58:18,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 02:58:18,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 16 [2024-11-14 02:58:18,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607940374] [2024-11-14 02:58:18,186 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 02:58:18,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 02:58:18,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:58:18,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 02:58:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-14 02:58:18,194 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2024-11-14 02:58:21,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:23,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:25,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:27,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:28,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:58:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:58:28,810 INFO L93 Difference]: Finished difference Result 232 states and 328 transitions. [2024-11-14 02:58:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 02:58:28,811 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) Word has length 160 [2024-11-14 02:58:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:58:28,818 INFO L225 Difference]: With dead ends: 232 [2024-11-14 02:58:28,819 INFO L226 Difference]: Without dead ends: 164 [2024-11-14 02:58:28,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 963 GetRequests, 938 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-14 02:58:28,821 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 121 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 122 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2024-11-14 02:58:28,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 176 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 216 Invalid, 4 Unknown, 0 Unchecked, 10.2s Time] [2024-11-14 02:58:28,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-14 02:58:28,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 152. [2024-11-14 02:58:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 91 states have (on average 1.164835164835165) internal successors, (106), 92 states have internal predecessors, (106), 54 states have call successors, (54), 6 states have call predecessors, (54), 6 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-14 02:58:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 214 transitions. [2024-11-14 02:58:28,876 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 214 transitions. Word has length 160 [2024-11-14 02:58:28,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:58:28,878 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 214 transitions. [2024-11-14 02:58:28,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 5 states have call successors, (70), 4 states have call predecessors, (70), 8 states have return successors, (72), 5 states have call predecessors, (72), 5 states have call successors, (72) [2024-11-14 02:58:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2024-11-14 02:58:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-14 02:58:28,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:58:28,883 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:58:28,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-14 02:58:29,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 02:58:29,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/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)] Forceful destruction successful, exit code 0 [2024-11-14 02:58:29,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:58:29,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:58:29,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:58:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2053428767, now seen corresponding path program 1 times [2024-11-14 02:58:29,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:58:29,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735394507] [2024-11-14 02:58:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:58:29,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 02:58:29,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:58:29,490 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 02:58:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458a348-ccd0-4661-a476-e7806728bb06/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 02:58:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:58:30,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-14 02:58:30,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:59:56,108 WARN L286 SmtUtils]: Spent 7.80s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:01:03,928 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 142 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 03:01:50,824 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 146 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)