./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.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_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/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_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/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_c23be3de-09ae-4080-aef2-b870f10e9bd9/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 77e2354f2cb7c50edc4d757661e3378145df169c487a524446d0f0165ad173f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:43:58,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:43:58,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:43:58,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:43:58,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:43:59,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:43:59,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:43:59,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:43:59,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:43:59,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:43:59,005 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:43:59,005 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:43:59,005 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:43:59,006 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:43:59,006 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:43:59,006 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:43:59,006 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:43:59,006 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:43:59,006 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:43:59,007 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:43:59,007 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:43:59,007 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:43:59,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:43:59,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:43:59,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:43:59,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:43:59,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:43:59,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:43:59,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:43:59,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:43:59,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:43:59,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:43:59,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:43:59,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:43:59,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:43:59,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:43:59,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:43:59,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:43:59,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:43:59,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:43:59,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:43:59,011 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:43:59,011 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:43:59,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:43:59,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:43:59,011 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:43:59,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:43:59,011 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_c23be3de-09ae-4080-aef2-b870f10e9bd9/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 -> 77e2354f2cb7c50edc4d757661e3378145df169c487a524446d0f0165ad173f1 [2024-11-13 23:43:59,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:43:59,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:43:59,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:43:59,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:43:59,409 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:43:59,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i Unable to find full path for "g++" [2024-11-13 23:44:01,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:44:02,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:44:02,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i [2024-11-13 23:44:02,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data/87a343b91/5e21886ffa414919bd1eee083b4f8449/FLAG917d8ea95 [2024-11-13 23:44:02,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data/87a343b91/5e21886ffa414919bd1eee083b4f8449 [2024-11-13 23:44:02,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:44:02,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:44:02,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:44:02,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:44:02,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:44:02,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d06c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02, skipping insertion in model container [2024-11-13 23:44:02,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:44:02,535 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_c23be3de-09ae-4080-aef2-b870f10e9bd9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i[916,929] [2024-11-13 23:44:02,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:44:02,632 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:44:02,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i[916,929] [2024-11-13 23:44:02,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:44:02,720 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:44:02,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02 WrapperNode [2024-11-13 23:44:02,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:44:02,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:44:02,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:44:02,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:44:02,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,794 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2024-11-13 23:44:02,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:44:02,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:44:02,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:44:02,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:44:02,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:44:02,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:44:02,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:44:02,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:44:02,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (1/1) ... [2024-11-13 23:44:02,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:44:02,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:02,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:44:02,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:44:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:44:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:44:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:44:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:44:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:44:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:44:03,016 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:44:03,018 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:44:03,410 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:44:03,410 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:44:03,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:44:03,625 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:44:03,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:03 BoogieIcfgContainer [2024-11-13 23:44:03,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:44:03,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:44:03,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:44:03,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:44:03,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:44:02" (1/3) ... [2024-11-13 23:44:03,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36039a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:44:03, skipping insertion in model container [2024-11-13 23:44:03,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:02" (2/3) ... [2024-11-13 23:44:03,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36039a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:44:03, skipping insertion in model container [2024-11-13 23:44:03,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:03" (3/3) ... [2024-11-13 23:44:03,639 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-39.i [2024-11-13 23:44:03,658 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:44:03,660 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-39.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:44:03,728 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:44:03,747 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;@2b4c20e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:44:03,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:44:03,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:44:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 23:44:03,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:03,770 INFO L215 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:03,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:44:03,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:03,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1604967426, now seen corresponding path program 1 times [2024-11-13 23:44:03,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:44:03,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923466099] [2024-11-13 23:44:03,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:03,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:44:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:44:04,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [261388950] [2024-11-13 23:44:04,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:04,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:04,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:04,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 23:44:04,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 23:44:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:44:04,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:44:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:44:04,670 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:44:04,673 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:44:04,674 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:44:04,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 23:44:04,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 23:44:04,882 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:44:04,956 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:44:04,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:44:04 BoogieIcfgContainer [2024-11-13 23:44:04,960 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:44:04,961 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:44:04,961 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:44:04,961 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:44:04,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:03" (3/4) ... [2024-11-13 23:44:04,968 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:44:04,973 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:44:04,975 INFO L158 Benchmark]: Toolchain (without parser) took 2702.00ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 62.7MB in the end (delta: 31.4MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-13 23:44:04,975 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:44:04,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.71ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 81.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:44:04,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.85ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:44:04,977 INFO L158 Benchmark]: Boogie Preprocessor took 48.81ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:44:04,977 INFO L158 Benchmark]: RCFGBuilder took 781.06ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 49.1MB in the end (delta: 29.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:44:04,978 INFO L158 Benchmark]: TraceAbstraction took 1330.69ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 62.8MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:44:04,978 INFO L158 Benchmark]: Witness Printer took 12.63ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:44:04,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.71ms. Allocated memory is still 117.4MB. Free memory was 94.2MB in the beginning and 81.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.85ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 79.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.81ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 781.06ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 49.1MB in the end (delta: 29.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1330.69ms. Allocated memory is still 117.4MB. Free memory was 48.4MB in the beginning and 62.8MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.63ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 21.0kB). 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 shiftLeft at line 47. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L23] signed short int var_1_2 = 0; [L24] signed short int var_1_3 = 1000; [L25] signed short int var_1_4 = 10; [L26] signed short int var_1_5 = 32; [L27] signed long int var_1_6 = 5; [L28] signed long int var_1_7 = 1; [L29] signed long int var_1_8 = 7; [L30] signed long int var_1_9 = 1; [L31] signed long int var_1_10 = 32; [L32] unsigned char var_1_11 = 64; [L33] signed long int var_1_12 = 1230482582; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_short() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L62] CALL assume_abort_if_not(var_1_2 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=1000, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L63] var_1_3 = __VERIFIER_nondet_short() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L65] CALL assume_abort_if_not(var_1_3 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=10, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L66] var_1_4 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=32, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L69] var_1_5 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=1, var_1_8=7, var_1_9=1] [L72] var_1_7 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=7, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=7, var_1_9=1] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=7, var_1_9=1] [L75] var_1_8 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=1] [L78] var_1_9 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=64, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L81] var_1_11 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_11 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_11 <= 255) VAL [isInitial=1, var_1_10=32, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=2, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=32, var_1_11=2, var_1_12=1230482582, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L85] var_1_12 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=2, var_1_12=1073741823, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, var_1_10=32, var_1_11=2, var_1_12=1073741823, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=32, var_1_11=2, var_1_12=1073741823, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=32, var_1_11=2, var_1_12=1073741823, var_1_1=-5, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=5, var_1_7=0, var_1_8=0, var_1_9=0] [L100] RET updateVariables() [L101] CALL step() [L37] var_1_1 = ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))) [L38] COND TRUE var_1_2 >= var_1_1 [L39] COND FALSE !(((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) [L42] var_1_6 = var_1_1 [L47] EXPR var_1_4 << var_1_2 [L47] signed long int stepLocal_1 = var_1_6 + (var_1_4 << var_1_2); [L48] signed long int stepLocal_0 = var_1_2 - (var_1_12 - var_1_5); [L49] COND FALSE !(stepLocal_1 != var_1_5) [L56] var_1_10 = var_1_2 [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) [L92] EXPR var_1_4 << var_1_2 [L92] EXPR ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) [L92-L93] return ((var_1_1 == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + var_1_2) - (var_1_3 + ((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5))))))) && ((var_1_2 >= var_1_1) ? ((((((var_1_7 + var_1_8) < 0 ) ? -(var_1_7 + var_1_8) : (var_1_7 + var_1_8))) < var_1_9) ? (var_1_6 == ((signed long int) var_1_3)) : (var_1_6 == ((signed long int) var_1_1))) : (var_1_6 == ((signed long int) var_1_4)))) && (((var_1_6 + (var_1_4 << var_1_2)) != var_1_5) ? (((var_1_3 / var_1_11) < (var_1_2 - (var_1_12 - var_1_5))) ? (var_1_10 == ((signed long int) ((((-256) < (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2)))))))) ? (-256) : (((((var_1_4) < (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))) ? (var_1_4) : (((((var_1_5) > (var_1_2)) ? (var_1_5) : (var_1_2))))))))))) : (var_1_10 == ((signed long int) var_1_4))) : (var_1_10 == ((signed long int) var_1_2))) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=12, var_1_11=2, var_1_12=1073741823, var_1_1=12, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=12, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=12, var_1_11=2, var_1_12=1073741823, var_1_1=12, var_1_2=12, var_1_3=5, var_1_4=11, var_1_5=24, var_1_6=12, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 19, 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=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:44:05,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/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_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/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_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/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_c23be3de-09ae-4080-aef2-b870f10e9bd9/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 77e2354f2cb7c50edc4d757661e3378145df169c487a524446d0f0165ad173f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:44:08,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:44:08,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:44:08,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:44:08,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:44:08,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:44:08,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:44:08,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:44:08,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:44:08,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:44:08,498 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:44:08,499 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:44:08,499 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:44:08,499 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:44:08,499 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:44:08,499 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:44:08,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:44:08,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:44:08,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:44:08,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:44:08,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:44:08,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:44:08,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:44:08,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:44:08,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:44:08,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:44:08,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:44:08,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:44:08,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:44:08,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:44:08,503 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:44:08,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:44:08,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:44:08,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:44:08,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:44:08,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:44:08,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:44:08,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:44:08,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:44:08,504 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:44:08,505 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:44:08,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:44:08,505 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:44:08,505 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_c23be3de-09ae-4080-aef2-b870f10e9bd9/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 -> 77e2354f2cb7c50edc4d757661e3378145df169c487a524446d0f0165ad173f1 [2024-11-13 23:44:08,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:44:08,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:44:08,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:44:08,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:44:08,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:44:08,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i Unable to find full path for "g++" [2024-11-13 23:44:11,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:44:11,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:44:11,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i [2024-11-13 23:44:11,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data/722d43400/588f82e593144d5697d242d2067d99d1/FLAG8fe3b8ab9 [2024-11-13 23:44:11,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/data/722d43400/588f82e593144d5697d242d2067d99d1 [2024-11-13 23:44:11,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:44:11,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:44:11,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:44:11,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:44:11,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:44:11,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:11" (1/1) ... [2024-11-13 23:44:11,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@346ca4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:11, skipping insertion in model container [2024-11-13 23:44:11,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:11" (1/1) ... [2024-11-13 23:44:11,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:44:12,204 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_c23be3de-09ae-4080-aef2-b870f10e9bd9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i[916,929] [2024-11-13 23:44:12,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:44:12,296 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:44:12,314 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_c23be3de-09ae-4080-aef2-b870f10e9bd9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-39.i[916,929] [2024-11-13 23:44:12,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:44:12,380 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:44:12,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12 WrapperNode [2024-11-13 23:44:12,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:44:12,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:44:12,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:44:12,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:44:12,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,440 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-13 23:44:12,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:44:12,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:44:12,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:44:12,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:44:12,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:44:12,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:44:12,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:44:12,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:44:12,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (1/1) ... [2024-11-13 23:44:12,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:44:12,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:44:12,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:44:12,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:44:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:44:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:44:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:44:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:44:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:44:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:44:12,763 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:44:12,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:44:13,373 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 23:44:13,375 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:44:13,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:44:13,397 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:44:13,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:13 BoogieIcfgContainer [2024-11-13 23:44:13,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:44:13,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:44:13,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:44:13,417 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:44:13,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:44:11" (1/3) ... [2024-11-13 23:44:13,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a13d14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:44:13, skipping insertion in model container [2024-11-13 23:44:13,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:12" (2/3) ... [2024-11-13 23:44:13,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a13d14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:44:13, skipping insertion in model container [2024-11-13 23:44:13,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:44:13" (3/3) ... [2024-11-13 23:44:13,423 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-39.i [2024-11-13 23:44:13,446 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:44:13,449 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-39.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:44:13,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:44:13,582 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;@30d4476f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:44:13,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:44:13,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:44:13,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 23:44:13,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:13,609 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:13,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:44:13,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:13,616 INFO L85 PathProgramCache]: Analyzing trace with hash 575958613, now seen corresponding path program 1 times [2024-11-13 23:44:13,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:44:13,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21755978] [2024-11-13 23:44:13,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:13,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:44:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:44:13,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:44:13,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 23:44:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:13,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:44:13,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:44:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-13 23:44:14,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 23:44:14,006 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-13 23:44:14,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21755978] [2024-11-13 23:44:14,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [21755978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 23:44:14,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 23:44:14,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 23:44:14,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729585661] [2024-11-13 23:44:14,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 23:44:14,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 23:44:14,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-13 23:44:14,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 23:44:14,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:44:14,050 INFO L87 Difference]: Start difference. First operand has 52 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:44:14,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 23:44:14,103 INFO L93 Difference]: Finished difference Result 97 states and 167 transitions. [2024-11-13 23:44:14,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 23:44:14,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 116 [2024-11-13 23:44:14,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 23:44:14,115 INFO L225 Difference]: With dead ends: 97 [2024-11-13 23:44:14,115 INFO L226 Difference]: Without dead ends: 48 [2024-11-13 23:44:14,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 23:44:14,124 INFO L432 NwaCegarLoop]: 70 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, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 23:44:14,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 23:44:14,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-13 23:44:14,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-13 23:44:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 23:44:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2024-11-13 23:44:14,179 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 116 [2024-11-13 23:44:14,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 23:44:14,179 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2024-11-13 23:44:14,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 23:44:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2024-11-13 23:44:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 23:44:14,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:44:14,184 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:44:14,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 23:44:14,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:44:14,385 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:44:14,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:44:14,386 INFO L85 PathProgramCache]: Analyzing trace with hash -86252333, now seen corresponding path program 1 times [2024-11-13 23:44:14,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:44:14,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309818164] [2024-11-13 23:44:14,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:44:14,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 23:44:14,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:44:14,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 23:44:14,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c23be3de-09ae-4080-aef2-b870f10e9bd9/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 23:44:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:44:14,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:44:14,659 INFO L278 TraceCheckSpWp]: Computing forward predicates...