./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.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_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/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_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/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_8eb7ac75-4141-449b-9e33-1432422025a4/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 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:07:17,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:07:17,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:07:17,598 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:07:17,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:07:17,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:07:17,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:07:17,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:07:17,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:07:17,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:07:17,651 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:07:17,652 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:07:17,652 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:07:17,652 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:07:17,652 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:07:17,652 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:07:17,652 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:07:17,652 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:07:17,653 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:07:17,653 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:07:17,653 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:07:17,653 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:07:17,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:07:17,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:07:17,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:07:17,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:07:17,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:07:17,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:07:17,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:07:17,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:07:17,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:07:17,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:07:17,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:07:17,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:07:17,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:07:17,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:07:17,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:07:17,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:07:17,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:07:17,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:07:17,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:07:17,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:07:17,659 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:07:17,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:07:17,659 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:07:17,659 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:07:17,659 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:07:17,659 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_8eb7ac75-4141-449b-9e33-1432422025a4/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 -> 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc [2024-11-14 05:07:18,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:07:18,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:07:18,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:07:18,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:07:18,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:07:18,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i Unable to find full path for "g++" [2024-11-14 05:07:20,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:07:21,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:07:21,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2024-11-14 05:07:21,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data/a44acfac5/ceddf9dab2c94b73ad8fbf87a886a0b0/FLAGefc8e25ab [2024-11-14 05:07:21,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data/a44acfac5/ceddf9dab2c94b73ad8fbf87a886a0b0 [2024-11-14 05:07:21,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:07:21,105 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:07:21,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:07:21,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:07:21,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:07:21,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3939259f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21, skipping insertion in model container [2024-11-14 05:07:21,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:07:21,357 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_8eb7ac75-4141-449b-9e33-1432422025a4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2024-11-14 05:07:21,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:07:21,459 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:07:21,474 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_8eb7ac75-4141-449b-9e33-1432422025a4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2024-11-14 05:07:21,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:07:21,553 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:07:21,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21 WrapperNode [2024-11-14 05:07:21,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:07:21,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:07:21,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:07:21,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:07:21,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,622 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-14 05:07:21,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:07:21,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:07:21,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:07:21,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:07:21,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:07:21,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:07:21,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:07:21,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:07:21,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (1/1) ... [2024-11-14 05:07:21,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:07:21,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:07:21,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:07:21,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:07:21,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:07:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:07:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:07:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:07:21,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:07:21,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:07:21,922 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:07:21,925 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:07:22,314 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:07:22,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:07:22,561 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:07:22,563 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:07:22,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:07:22 BoogieIcfgContainer [2024-11-14 05:07:22,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:07:22,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:07:22,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:07:22,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:07:22,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:07:21" (1/3) ... [2024-11-14 05:07:22,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b46cb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:07:22, skipping insertion in model container [2024-11-14 05:07:22,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:21" (2/3) ... [2024-11-14 05:07:22,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b46cb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:07:22, skipping insertion in model container [2024-11-14 05:07:22,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:07:22" (3/3) ... [2024-11-14 05:07:22,581 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-53.i [2024-11-14 05:07:22,607 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:07:22,611 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-53.i that has 2 procedures, 39 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:07:22,716 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:07:22,736 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;@1813c9ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:07:22,736 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:07:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:07:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-14 05:07:22,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:22,755 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:22,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:22,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash 6201106, now seen corresponding path program 1 times [2024-11-14 05:07:22,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:07:22,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734359309] [2024-11-14 05:07:22,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:22,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:07:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:07:23,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:07:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:07:23,660 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:07:23,663 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:07:23,665 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:07:23,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:07:23,673 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:07:23,789 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:07:23,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:07:23 BoogieIcfgContainer [2024-11-14 05:07:23,800 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:07:23,801 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:07:23,801 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:07:23,801 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:07:23,803 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:07:22" (3/4) ... [2024-11-14 05:07:23,807 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:07:23,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:07:23,811 INFO L158 Benchmark]: Toolchain (without parser) took 2706.10ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 49.9MB in the end (delta: 42.7MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2024-11-14 05:07:23,811 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:07:23,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.67ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:07:23,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.90ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:07:23,815 INFO L158 Benchmark]: Boogie Preprocessor took 61.86ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:07:23,816 INFO L158 Benchmark]: RCFGBuilder took 874.27ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 47.8MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:07:23,817 INFO L158 Benchmark]: TraceAbstraction took 1233.30ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 50.0MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:07:23,817 INFO L158 Benchmark]: Witness Printer took 8.33ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:07:23,822 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.67ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.90ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.86ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 874.27ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 47.8MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1233.30ms. Allocated memory is still 117.4MB. Free memory was 47.1MB in the beginning and 50.0MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.33ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_3 = 1456677701; [L24] unsigned long int var_1_4 = 1000000000; [L25] unsigned long int var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 0; [L29] signed long int var_1_9 = 256; [L30] signed long int var_1_10 = 8; [L31] unsigned char var_1_11 = 1; [L32] unsigned short int var_1_12 = 16; [L33] unsigned long int var_1_13 = 3110219175; [L34] unsigned short int var_1_14 = 128; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 0; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_3 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_3 >= 1073741823) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L69] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=1000000000, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L70] var_1_4 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_4 >= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_4 >= 536870911) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L72] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L73] var_1_5 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=256] [L76] var_1_7 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_8=0, var_1_9=256] [L78] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=256] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=256] [L79] var_1_9 = __VERIFIER_nondet_long() [L80] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=3110219175, var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L88] var_1_13 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_13 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_13 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 4294967295) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=128, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L91] var_1_14 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_14 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=0, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L94] var_1_16 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L96] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=16, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=5, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=0, var_1_7=-256, var_1_8=0, var_1_9=0] [L109] RET updateVariables() [L110] CALL step() [L40] var_1_6 = var_1_7 [L41] COND TRUE var_1_5 <= (var_1_13 - var_1_4) [L42] var_1_12 = ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L44] COND FALSE !((var_1_9 * 16.5f) > var_1_10) [L47] var_1_15 = (var_1_11 && var_1_16) [L49] var_1_1 = (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))) [L50] signed long int stepLocal_1 = (((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)); [L51] unsigned long int stepLocal_0 = var_1_3; [L52] COND TRUE stepLocal_1 != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3))) [L53] COND TRUE var_1_9 == var_1_10 [L54] COND FALSE !(\read(var_1_6)) [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return ((((var_1_1 == ((unsigned long int) (var_1_12 + (var_1_3 - (var_1_4 - var_1_12))))) && (var_1_6 == ((unsigned char) var_1_7))) && ((((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) != ((((var_1_4) < (var_1_3)) ? (var_1_4) : (var_1_3)))) ? ((var_1_9 == var_1_10) ? (var_1_6 ? ((var_1_3 >= var_1_12) ? (var_1_8 == ((unsigned char) (var_1_7 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_7))) : 1) : 1) : (var_1_8 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_13 - var_1_4)) ? (var_1_12 == ((unsigned short int) ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))))) : 1)) && (((var_1_9 * 16.5f) > var_1_10) ? (var_1_15 == ((unsigned char) (! var_1_11))) : (var_1_15 == ((unsigned char) (var_1_11 && var_1_16)))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=1, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=1, var_1_12=0, var_1_13=-(((__int128) 1 << 64) | 4611686001247518721), var_1_14=0, var_1_15=1, var_1_16=1, var_1_1=1, var_1_3=5368709119, var_1_4=5368709118, var_1_5=536870911, var_1_6=-256, var_1_7=-256, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 20, 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=39occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 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 05:07:23,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/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_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/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_8eb7ac75-4141-449b-9e33-1432422025a4/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 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:07:27,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:07:27,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 05:07:27,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:07:27,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:07:27,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:07:27,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:07:27,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:07:27,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:07:27,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:07:27,679 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:07:27,679 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:07:27,679 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:07:27,680 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:07:27,680 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:07:27,680 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:07:27,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:07:27,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:07:27,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:07:27,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:07:27,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:07:27,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:07:27,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:07:27,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:07:27,682 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:07:27,682 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:07:27,683 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:07:27,683 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:07:27,683 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:07:27,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:07:27,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:07:27,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:07:27,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:07:27,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:07:27,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:07:27,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:07:27,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:07:27,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:07:27,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:07:27,685 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:07:27,685 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:07:27,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:07:27,686 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:07:27,686 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_8eb7ac75-4141-449b-9e33-1432422025a4/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 -> 2ed1635dc6d8064ed19cc47260dbac48845189c1db702c0725e361d24a01f9fc [2024-11-14 05:07:28,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:07:28,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:07:28,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:07:28,127 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:07:28,128 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:07:28,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i Unable to find full path for "g++" [2024-11-14 05:07:30,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:07:30,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:07:30,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i [2024-11-14 05:07:30,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data/33781f8aa/71100515097241fc9e1e871540b9fd22/FLAGd0acb1cee [2024-11-14 05:07:30,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/data/33781f8aa/71100515097241fc9e1e871540b9fd22 [2024-11-14 05:07:30,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:07:30,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:07:30,992 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:07:30,992 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:07:30,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:07:31,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:07:30" (1/1) ... [2024-11-14 05:07:31,001 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 05:07:31, skipping insertion in model container [2024-11-14 05:07:31,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:07:30" (1/1) ... [2024-11-14 05:07:31,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:07:31,267 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_8eb7ac75-4141-449b-9e33-1432422025a4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2024-11-14 05:07:31,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:07:31,383 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:07:31,405 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_8eb7ac75-4141-449b-9e33-1432422025a4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-53.i[916,929] [2024-11-14 05:07:31,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:07:31,491 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:07:31,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31 WrapperNode [2024-11-14 05:07:31,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:07:31,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:07:31,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:07:31,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:07:31,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,580 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-11-14 05:07:31,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:07:31,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:07:31,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:07:31,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:07:31,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:07:31,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:07:31,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:07:31,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:07:31,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (1/1) ... [2024-11-14 05:07:31,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:07:31,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:07:31,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:07:31,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:07:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:07:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:07:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:07:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:07:31,865 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:07:31,868 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:07:35,532 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 05:07:35,532 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:07:35,547 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:07:35,548 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:07:35,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:07:35 BoogieIcfgContainer [2024-11-14 05:07:35,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:07:35,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:07:35,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:07:35,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:07:35,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:07:30" (1/3) ... [2024-11-14 05:07:35,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bef17fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:07:35, skipping insertion in model container [2024-11-14 05:07:35,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:07:31" (2/3) ... [2024-11-14 05:07:35,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bef17fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:07:35, skipping insertion in model container [2024-11-14 05:07:35,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:07:35" (3/3) ... [2024-11-14 05:07:35,564 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-53.i [2024-11-14 05:07:35,588 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:07:35,590 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-53.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:07:35,701 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:07:35,725 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;@6d4da54c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:07:35,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:07:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:07:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 05:07:35,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:35,755 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:35,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:35,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:35,764 INFO L85 PathProgramCache]: Analyzing trace with hash 204330068, now seen corresponding path program 1 times [2024-11-14 05:07:35,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:35,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288462507] [2024-11-14 05:07:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:35,786 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 05:07:35,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:35,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/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 05:07:35,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 05:07:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:36,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 05:07:36,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-14 05:07:36,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:07:36,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:07:36,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288462507] [2024-11-14 05:07:36,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288462507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:07:36,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:07:36,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 05:07:36,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390189044] [2024-11-14 05:07:36,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:07:36,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 05:07:36,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:07:36,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 05:07:36,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:07:36,341 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 05:07:36,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:07:36,391 INFO L93 Difference]: Finished difference Result 105 states and 182 transitions. [2024-11-14 05:07:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 05:07:36,396 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123 [2024-11-14 05:07:36,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:07:36,411 INFO L225 Difference]: With dead ends: 105 [2024-11-14 05:07:36,411 INFO L226 Difference]: Without dead ends: 52 [2024-11-14 05:07:36,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 05:07:36,422 INFO L432 NwaCegarLoop]: 77 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, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:07:36,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 05:07:36,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-14 05:07:36,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-14 05:07:36,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-14 05:07:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2024-11-14 05:07:36,504 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 123 [2024-11-14 05:07:36,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:07:36,506 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2024-11-14 05:07:36,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-14 05:07:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-11-14 05:07:36,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-14 05:07:36,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:07:36,513 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:36,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 05:07:36,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/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 05:07:36,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:07:36,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:07:36,719 INFO L85 PathProgramCache]: Analyzing trace with hash 2145336404, now seen corresponding path program 1 times [2024-11-14 05:07:36,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:07:36,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889938106] [2024-11-14 05:07:36,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:36,720 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 05:07:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:07:36,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/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 05:07:36,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 05:07:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:37,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:07:37,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:07:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 88 proven. 192 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-14 05:07:40,999 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:07:41,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:07:41,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889938106] [2024-11-14 05:07:41,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889938106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:07:41,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [582342325] [2024-11-14 05:07:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:07:41,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:07:41,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:07:41,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:07:41,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eb7ac75-4141-449b-9e33-1432422025a4/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 05:07:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:07:41,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-14 05:07:41,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:08:22,980 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:09:06,860 WARN L286 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 05:09:58,211 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)