./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.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_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:50:48,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:50:49,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:50:49,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:50:49,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:50:49,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:50:49,092 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:50:49,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:50:49,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:50:49,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:50:49,093 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:50:49,094 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:50:49,094 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:50:49,094 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:50:49,094 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:50:49,094 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:50:49,094 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:50:49,095 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:50:49,095 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:50:49,095 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:50:49,095 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:50:49,095 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:50:49,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:50:49,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:50:49,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:50:49,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:50:49,096 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:50:49,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:50:49,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:50:49,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:50:49,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:50:49,097 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:50:49,097 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:50:49,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:50:49,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:50:49,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:50:49,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:50:49,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:50:49,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:50:49,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:50:49,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:50:49,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:50:49,101 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:50:49,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:50:49,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:50:49,102 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:50:49,102 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:50:49,103 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_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2024-11-14 04:50:49,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:50:49,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:50:49,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:50:49,519 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:50:49,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:50:49,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i Unable to find full path for "g++" [2024-11-14 04:50:51,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:50:52,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:50:52,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-14 04:50:52,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data/606fa845b/ab8d473ce9044fe9bbbc54324e706437/FLAG9a7ec7bd7 [2024-11-14 04:50:52,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data/606fa845b/ab8d473ce9044fe9bbbc54324e706437 [2024-11-14 04:50:52,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:50:52,472 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:50:52,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:50:52,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:50:52,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:50:52,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:52,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e26ccf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52, skipping insertion in model container [2024-11-14 04:50:52,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:52,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:50:52,751 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_48771e31-7bc5-419b-9ac0-a091ce112ffc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-14 04:50:52,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:50:52,836 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:50:52,852 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_48771e31-7bc5-419b-9ac0-a091ce112ffc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-14 04:50:52,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:50:52,925 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:50:52,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52 WrapperNode [2024-11-14 04:50:52,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:50:52,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:50:52,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:50:52,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:50:52,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:52,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,002 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-14 04:50:53,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:50:53,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:50:53,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:50:53,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:50:53,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:50:53,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:50:53,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:50:53,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:50:53,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (1/1) ... [2024-11-14 04:50:53,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:50:53,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:50:53,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:50:53,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:50:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:50:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:50:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:50:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:50:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:50:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:50:53,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:50:53,277 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:50:53,745 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:50:53,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:50:53,947 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:50:53,947 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:50:53,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:50:53 BoogieIcfgContainer [2024-11-14 04:50:53,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:50:53,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:50:53,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:50:53,958 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:50:53,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:50:52" (1/3) ... [2024-11-14 04:50:53,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7e8718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:50:53, skipping insertion in model container [2024-11-14 04:50:53,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:50:52" (2/3) ... [2024-11-14 04:50:53,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7e8718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:50:53, skipping insertion in model container [2024-11-14 04:50:53,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:50:53" (3/3) ... [2024-11-14 04:50:53,962 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-14 04:50:53,986 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:50:53,990 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:50:54,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:50:54,092 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;@7429e82c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:50:54,092 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:50:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:50:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-14 04:50:54,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:50:54,113 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:50:54,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:50:54,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:50:54,122 INFO L85 PathProgramCache]: Analyzing trace with hash -682587952, now seen corresponding path program 1 times [2024-11-14 04:50:54,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:50:54,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191035212] [2024-11-14 04:50:54,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:50:54,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:50:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:50:54,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:50:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:50:54,735 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:50:54,737 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:50:54,739 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:50:54,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:50:54,747 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:50:54,847 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:50:54,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:50:54 BoogieIcfgContainer [2024-11-14 04:50:54,855 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:50:54,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:50:54,856 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:50:54,856 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:50:54,857 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:50:53" (3/4) ... [2024-11-14 04:50:54,860 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:50:54,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:50:54,866 INFO L158 Benchmark]: Toolchain (without parser) took 2391.45ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 71.1MB in the end (delta: 20.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-14 04:50:54,866 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:50:54,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.14ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 78.8MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:50:54,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.41ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:50:54,867 INFO L158 Benchmark]: Boogie Preprocessor took 52.92ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.2MB in the end (delta: 646.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:50:54,868 INFO L158 Benchmark]: RCFGBuilder took 890.97ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 50.4MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 04:50:54,868 INFO L158 Benchmark]: TraceAbstraction took 903.71ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 71.8MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:50:54,868 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.1MB in the end (delta: 704.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:50:54,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 83.9MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.14ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 78.8MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.41ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.92ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.2MB in the end (delta: 646.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 890.97ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 50.4MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 903.71ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 71.8MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.1MB in the end (delta: 704.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 9999; [L23] signed long int var_1_2 = 64; [L24] signed long int var_1_3 = 31; [L25] signed long int var_1_4 = 1; [L26] unsigned char var_1_5 = 2; [L27] signed long int var_1_6 = 10; [L28] signed long int var_1_7 = 5; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] signed long int var_1_10 = 64; [L32] signed long int var_1_11 = 32; [L33] signed long int var_1_12 = 10; [L34] signed long int var_1_13 = 4; [L35] signed long int var_1_14 = 999; [L36] signed long int var_1_15 = 2; [L37] signed long int var_1_16 = 8; [L38] signed long int last_1_var_1_16 = 8; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] last_1_var_1_16 = var_1_16 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_long() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L70] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=31, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L71] var_1_3 = __VERIFIER_nondet_long() [L72] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L73] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_5=2, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L76] CALL assume_abort_if_not(var_1_5 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 255) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=10, var_1_7=5, var_1_8=1, var_1_9=1] [L77] var_1_6 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_9=1] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L83] var_1_9 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=64, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L86] var_1_10 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=32, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L89] var_1_11 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=10, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L92] var_1_12 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_12 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_12 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=4, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L95] var_1_13 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=999, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L98] var_1_14 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=0, var_1_15=2, var_1_16=8, var_1_1=9999, var_1_2=8, var_1_3=9, var_1_4=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L114] RET updateVariables() [L115] CALL step() [L42] var_1_1 = (var_1_2 - var_1_3) [L43] COND TRUE (- var_1_5) >= var_1_6 [L44] COND FALSE !(var_1_6 > var_1_5) [L52] unsigned char stepLocal_0 = var_1_9; [L53] COND TRUE var_1_8 && stepLocal_0 [L54] var_1_7 = ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))) [L56] var_1_15 = 500.25 [L57] COND FALSE !(var_1_2 > last_1_var_1_16) [L64] var_1_16 = var_1_12 [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return ((((var_1_1 == ((signed long int) (var_1_2 - var_1_3))) && (((- var_1_5) >= var_1_6) ? ((var_1_6 > var_1_5) ? ((var_1_3 == var_1_1) ? (var_1_4 == ((signed long int) (256 - (var_1_5 + 5)))) : (var_1_4 == ((signed long int) var_1_5))) : 1) : 1)) && ((var_1_8 && var_1_9) ? (var_1_7 == ((signed long int) ((var_1_10 - var_1_11) + (var_1_12 + (var_1_13 + var_1_14))))) : 1)) && (var_1_15 == ((signed long int) 500.25))) && ((var_1_2 > last_1_var_1_16) ? (var_1_9 ? ((var_1_3 <= ((((last_1_var_1_16) < (var_1_11)) ? (last_1_var_1_16) : (var_1_11)))) ? (var_1_16 == ((signed long int) (var_1_14 + var_1_11))) : 1) : 1) : (var_1_16 == ((signed long int) var_1_12))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=0, var_1_15=10000, var_1_16=8, var_1_1=-1, var_1_2=8, var_1_3=9, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_16=8, var_1_10=0, var_1_11=8, var_1_12=8, var_1_13=5, var_1_14=0, var_1_15=10000, var_1_16=8, var_1_1=-1, var_1_2=8, var_1_3=9, var_1_4=1, var_1_5=1, var_1_6=-1, var_1_7=5, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 04:50:54,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:50:58,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:50:58,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 04:50:58,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:50:58,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:50:58,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:50:58,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:50:58,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:50:58,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:50:58,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:50:58,561 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:50:58,561 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:50:58,561 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:50:58,561 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:50:58,562 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:50:58,562 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:50:58,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:50:58,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:50:58,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:50:58,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:50:58,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:50:58,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:50:58,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:50:58,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:50:58,565 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:50:58,565 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:50:58,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:50:58,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:50:58,565 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:50:58,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:50:58,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:50:58,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:50:58,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:50:58,567 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:50:58,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:50:58,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:50:58,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:50:58,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:50:58,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:50:58,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:50:58,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:50:58,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:50:58,569 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:50:58,569 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_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 -> 06dfea34f20cf44667f72790239eb3b7ea493d794e5649e0b17ceb748f3093ee [2024-11-14 04:50:58,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:50:59,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:50:59,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:50:59,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:50:59,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:50:59,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i Unable to find full path for "g++" [2024-11-14 04:51:01,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:51:01,977 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:51:01,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-14 04:51:01,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data/ba32d51a8/1a893d51a5044cba9f52c856f50383c4/FLAG92c58649f [2024-11-14 04:51:02,011 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/data/ba32d51a8/1a893d51a5044cba9f52c856f50383c4 [2024-11-14 04:51:02,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:51:02,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:51:02,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:51:02,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:51:02,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:51:02,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a890d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02, skipping insertion in model container [2024-11-14 04:51:02,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:51:02,272 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_48771e31-7bc5-419b-9ac0-a091ce112ffc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-14 04:51:02,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:51:02,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:51:02,398 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_48771e31-7bc5-419b-9ac0-a091ce112ffc/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-60.i[916,929] [2024-11-14 04:51:02,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:51:02,470 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:51:02,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02 WrapperNode [2024-11-14 04:51:02,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:51:02,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:51:02,475 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:51:02,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:51:02,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,537 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-14 04:51:02,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:51:02,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:51:02,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:51:02,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:51:02,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,579 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:51:02,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:51:02,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:51:02,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:51:02,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (1/1) ... [2024-11-14 04:51:02,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:51:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:51:02,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:51:02,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:51:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:51:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:51:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 04:51:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 04:51:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:51:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:51:02,813 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:51:02,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:51:03,207 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-14 04:51:03,208 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:51:03,220 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:51:03,221 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:51:03,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:03 BoogieIcfgContainer [2024-11-14 04:51:03,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:51:03,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:51:03,225 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:51:03,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:51:03,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:51:02" (1/3) ... [2024-11-14 04:51:03,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7f37d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:03, skipping insertion in model container [2024-11-14 04:51:03,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:51:02" (2/3) ... [2024-11-14 04:51:03,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7f37d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:51:03, skipping insertion in model container [2024-11-14 04:51:03,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:51:03" (3/3) ... [2024-11-14 04:51:03,235 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-60.i [2024-11-14 04:51:03,254 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:51:03,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-60.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:51:03,350 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:51:03,370 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;@11530269, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:51:03,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:51:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:51:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 04:51:03,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:03,420 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:03,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:51:03,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:03,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1549211937, now seen corresponding path program 1 times [2024-11-14 04:51:03,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:51:03,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273816711] [2024-11-14 04:51:03,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:03,440 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 04:51:03,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:51:03,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:03,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:03,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 04:51:03,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:51:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-11-14 04:51:03,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:51:03,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:51:03,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273816711] [2024-11-14 04:51:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273816711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:03,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:03,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:51:03,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654530006] [2024-11-14 04:51:03,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:03,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 04:51:03,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:51:03,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 04:51:03,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:51:03,842 INFO L87 Difference]: Start difference. First operand has 61 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 04:51:03,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:03,877 INFO L93 Difference]: Finished difference Result 115 states and 200 transitions. [2024-11-14 04:51:03,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 04:51:03,879 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 135 [2024-11-14 04:51:03,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:03,888 INFO L225 Difference]: With dead ends: 115 [2024-11-14 04:51:03,888 INFO L226 Difference]: Without dead ends: 57 [2024-11-14 04:51:03,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 04:51:03,896 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:03,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:51:03,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-14 04:51:03,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-14 04:51:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:51:03,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2024-11-14 04:51:03,949 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 135 [2024-11-14 04:51:03,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:03,949 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2024-11-14 04:51:03,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-14 04:51:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2024-11-14 04:51:03,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 04:51:03,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:03,959 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:03,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:04,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:04,160 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:51:04,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:04,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1230495713, now seen corresponding path program 1 times [2024-11-14 04:51:04,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:51:04,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825621688] [2024-11-14 04:51:04,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:04,163 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 04:51:04,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:51:04,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:04,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:04,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 04:51:04,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:51:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 04:51:28,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:51:28,423 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:51:28,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825621688] [2024-11-14 04:51:28,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825621688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:51:28,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:51:28,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 04:51:28,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654540421] [2024-11-14 04:51:28,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:51:28,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 04:51:28,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:51:28,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 04:51:28,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-14 04:51:28,429 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:51:29,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:51:29,816 INFO L93 Difference]: Finished difference Result 92 states and 127 transitions. [2024-11-14 04:51:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:51:29,818 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2024-11-14 04:51:29,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:51:29,820 INFO L225 Difference]: With dead ends: 92 [2024-11-14 04:51:29,820 INFO L226 Difference]: Without dead ends: 90 [2024-11-14 04:51:29,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:51:29,822 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 75 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-14 04:51:29,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 397 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-14 04:51:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-14 04:51:29,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 64. [2024-11-14 04:51:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:51:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-14 04:51:29,837 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 135 [2024-11-14 04:51:29,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:51:29,839 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-14 04:51:29,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 04:51:29,839 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-14 04:51:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-14 04:51:29,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:51:29,842 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:51:29,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:30,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:30,046 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:51:30,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:51:30,047 INFO L85 PathProgramCache]: Analyzing trace with hash 544511649, now seen corresponding path program 1 times [2024-11-14 04:51:30,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:51:30,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419110741] [2024-11-14 04:51:30,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:51:30,049 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 04:51:30,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:51:30,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:30,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 04:51:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:51:30,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 04:51:30,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:52:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-14 04:52:07,631 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:02:39,375 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:39,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419110741] [2024-11-14 05:02:39,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419110741] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 05:02:39,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:02:39,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-11-14 05:02:39,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297771869] [2024-11-14 05:02:39,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:39,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 05:02:39,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:39,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 05:02:39,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-14 05:02:39,377 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:02:40,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:40,304 INFO L93 Difference]: Finished difference Result 94 states and 127 transitions. [2024-11-14 05:02:40,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 05:02:40,306 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 135 [2024-11-14 05:02:40,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:40,308 INFO L225 Difference]: With dead ends: 94 [2024-11-14 05:02:40,308 INFO L226 Difference]: Without dead ends: 92 [2024-11-14 05:02:40,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=103, Invalid=449, Unknown=0, NotChecked=0, Total=552 [2024-11-14 05:02:40,309 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 47 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:40,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 399 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-14 05:02:40,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-14 05:02:40,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 64. [2024-11-14 05:02:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 40 states have (on average 1.25) internal successors, (50), 40 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 05:02:40,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 94 transitions. [2024-11-14 05:02:40,323 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 94 transitions. Word has length 135 [2024-11-14 05:02:40,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:40,324 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 94 transitions. [2024-11-14 05:02:40,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:02:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2024-11-14 05:02:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:02:40,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:40,327 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:40,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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 05:02:40,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:02:40,528 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:40,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:40,529 INFO L85 PathProgramCache]: Analyzing trace with hash 103850415, now seen corresponding path program 1 times [2024-11-14 05:02:40,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:40,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866306900] [2024-11-14 05:02:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:40,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:02:40,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:40,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:02:40,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 05:02:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:40,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 05:02:40,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-14 05:02:40,802 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:02:40,970 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:40,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866306900] [2024-11-14 05:02:40,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866306900] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 05:02:40,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 05:02:40,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-14 05:02:40,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833613873] [2024-11-14 05:02:40,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:40,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:02:40,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:40,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:02:40,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:02:40,975 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:02:41,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:41,114 INFO L93 Difference]: Finished difference Result 158 states and 229 transitions. [2024-11-14 05:02:41,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:02:41,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-14 05:02:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:41,121 INFO L225 Difference]: With dead ends: 158 [2024-11-14 05:02:41,121 INFO L226 Difference]: Without dead ends: 97 [2024-11-14 05:02:41,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:02:41,123 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 62 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:41,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 153 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:02:41,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-14 05:02:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2024-11-14 05:02:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 60 states have internal predecessors, (71), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 05:02:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 135 transitions. [2024-11-14 05:02:41,143 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 135 transitions. Word has length 136 [2024-11-14 05:02:41,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:41,144 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 135 transitions. [2024-11-14 05:02:41,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:02:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2024-11-14 05:02:41,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:02:41,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:41,147 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:41,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-14 05:02:41,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:02:41,347 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:41,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:41,348 INFO L85 PathProgramCache]: Analyzing trace with hash -705496211, now seen corresponding path program 1 times [2024-11-14 05:02:41,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:41,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247548644] [2024-11-14 05:02:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:41,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:02:41,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:41,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:02:41,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-14 05:02:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:41,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:02:41,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:02:58,627 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:02:58,627 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:58,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247548644] [2024-11-14 05:02:58,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247548644] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:58,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:58,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 05:02:58,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615687985] [2024-11-14 05:02:58,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:58,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 05:02:58,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:58,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 05:02:58,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:02:58,630 INFO L87 Difference]: Start difference. First operand 94 states and 135 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:02:59,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:59,106 INFO L93 Difference]: Finished difference Result 124 states and 168 transitions. [2024-11-14 05:02:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:02:59,108 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-14 05:02:59,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:59,115 INFO L225 Difference]: With dead ends: 124 [2024-11-14 05:02:59,115 INFO L226 Difference]: Without dead ends: 122 [2024-11-14 05:02:59,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-14 05:02:59,117 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 46 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:59,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 432 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:02:59,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-14 05:02:59,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 97. [2024-11-14 05:02:59,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 63 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 05:02:59,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 140 transitions. [2024-11-14 05:02:59,154 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 140 transitions. Word has length 136 [2024-11-14 05:02:59,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:59,154 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 140 transitions. [2024-11-14 05:02:59,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:02:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2024-11-14 05:02:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-14 05:02:59,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:59,161 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:59,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-14 05:02:59,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:02:59,362 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:59,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:59,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1264218115, now seen corresponding path program 1 times [2024-11-14 05:02:59,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:59,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708176470] [2024-11-14 05:02:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:59,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:02:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:59,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:02:59,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-14 05:02:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:59,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:02:59,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:03:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:03:14,960 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:03:14,961 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:03:14,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708176470] [2024-11-14 05:03:14,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708176470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:03:14,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:03:14,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-14 05:03:14,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817677506] [2024-11-14 05:03:14,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:03:14,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 05:03:14,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:03:14,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 05:03:14,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-14 05:03:14,963 INFO L87 Difference]: Start difference. First operand 97 states and 140 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:03:15,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:15,633 INFO L93 Difference]: Finished difference Result 222 states and 310 transitions. [2024-11-14 05:03:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 05:03:15,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-14 05:03:15,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:15,637 INFO L225 Difference]: With dead ends: 222 [2024-11-14 05:03:15,638 INFO L226 Difference]: Without dead ends: 128 [2024-11-14 05:03:15,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-14 05:03:15,639 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 53 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:15,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 366 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:03:15,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-14 05:03:15,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 94. [2024-11-14 05:03:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 60 states have internal predecessors, (70), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 05:03:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 134 transitions. [2024-11-14 05:03:15,653 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 134 transitions. Word has length 136 [2024-11-14 05:03:15,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:03:15,654 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 134 transitions. [2024-11-14 05:03:15,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:03:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2024-11-14 05:03:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-14 05:03:15,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:15,661 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:03:15,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/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)] Ended with exit code 0 [2024-11-14 05:03:15,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:03:15,861 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:03:15,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:15,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1313935276, now seen corresponding path program 1 times [2024-11-14 05:03:15,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:03:15,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2072444401] [2024-11-14 05:03:15,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:15,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:03:15,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:03:15,864 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:03:15,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 05:03:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:03:15,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:03:15,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:03:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:03:30,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:03:30,570 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:03:30,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2072444401] [2024-11-14 05:03:30,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2072444401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:03:30,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:03:30,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 05:03:30,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828224250] [2024-11-14 05:03:30,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:03:30,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:03:30,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:03:30,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:03:30,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:03:30,574 INFO L87 Difference]: Start difference. First operand 94 states and 134 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:03:31,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:03:31,211 INFO L93 Difference]: Finished difference Result 135 states and 178 transitions. [2024-11-14 05:03:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:03:31,213 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2024-11-14 05:03:31,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:03:31,215 INFO L225 Difference]: With dead ends: 135 [2024-11-14 05:03:31,215 INFO L226 Difference]: Without dead ends: 133 [2024-11-14 05:03:31,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:03:31,216 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 70 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:03:31,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 376 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 05:03:31,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-14 05:03:31,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 98. [2024-11-14 05:03:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 05:03:31,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-14 05:03:31,228 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 137 [2024-11-14 05:03:31,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:03:31,229 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-14 05:03:31,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:03:31,229 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-14 05:03:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-14 05:03:31,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:03:31,231 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:03:31,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 05:03:31,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:03:31,432 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:03:31,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:03:31,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1312088234, now seen corresponding path program 1 times [2024-11-14 05:03:31,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:03:31,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359307565] [2024-11-14 05:03:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:03:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:03:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:03:31,435 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:03:31,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-14 05:03:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:03:31,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 05:03:31,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:04:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-14 05:04:02,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:04:02,738 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:04:02,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359307565] [2024-11-14 05:04:02,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359307565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:04:02,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:04:02,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-14 05:04:02,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893839589] [2024-11-14 05:04:02,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:04:02,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 05:04:02,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:04:02,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 05:04:02,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-14 05:04:02,740 INFO L87 Difference]: Start difference. First operand 98 states and 140 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:04:03,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:04:03,823 INFO L93 Difference]: Finished difference Result 133 states and 176 transitions. [2024-11-14 05:04:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 05:04:03,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 137 [2024-11-14 05:04:03,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:04:03,827 INFO L225 Difference]: With dead ends: 133 [2024-11-14 05:04:03,827 INFO L226 Difference]: Without dead ends: 131 [2024-11-14 05:04:03,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-14 05:04:03,828 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 55 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-14 05:04:03,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 469 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-14 05:04:03,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-14 05:04:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 98. [2024-11-14 05:04:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-14 05:04:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions. [2024-11-14 05:04:03,842 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 137 [2024-11-14 05:04:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:04:03,842 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 140 transitions. [2024-11-14 05:04:03,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-14 05:04:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions. [2024-11-14 05:04:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-14 05:04:03,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:04:03,845 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:04:03,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-14 05:04:04,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:04:04,046 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:04:04,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:04:04,046 INFO L85 PathProgramCache]: Analyzing trace with hash -633876906, now seen corresponding path program 1 times [2024-11-14 05:04:04,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:04:04,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108503140] [2024-11-14 05:04:04,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:04:04,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 05:04:04,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:04:04,049 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 05:04:04,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48771e31-7bc5-419b-9ac0-a091ce112ffc/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 05:04:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:04:04,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 05:04:04,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:04:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2024-11-14 05:04:12,806 INFO L311 TraceCheckSpWp]: Computing backward predicates...