./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2 --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 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:11,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:11,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 11:25:11,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:11,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:11,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:11,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:11,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:11,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:11,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:11,593 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:11,594 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:11,594 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:11,595 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 11:25:11,598 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:11,598 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:11,599 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 11:25:11,599 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 11:25:11,600 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:11,600 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 11:25:11,600 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 11:25:11,606 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 11:25:11,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:11,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:11,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:25:11,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 11:25:11,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:25:11,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:11,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:11,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:11,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:11,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:11,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:25:11,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:11,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:11,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:11,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:11,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:11,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:11,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:11,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:11,614 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:11,615 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 11:25:11,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 11:25:11,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:11,616 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:11,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:11,616 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 [2024-11-02 11:25:11,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:12,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:12,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:12,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:12,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:12,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i Unable to find full path for "g++" [2024-11-02 11:25:14,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:14,723 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:14,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-02 11:25:14,736 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data/2775c09aa/d54e75efa374471997fb0ed4be2e83a6/FLAG03647df10 [2024-11-02 11:25:15,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data/2775c09aa/d54e75efa374471997fb0ed4be2e83a6 [2024-11-02 11:25:15,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:15,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:15,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:15,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:15,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:15,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c45e4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15, skipping insertion in model container [2024-11-02 11:25:15,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:15,346 WARN L251 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_204ca862-8131-45ae-854a-6f71493accf9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-02 11:25:15,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:15,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:15,454 WARN L251 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_204ca862-8131-45ae-854a-6f71493accf9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-02 11:25:15,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:15,501 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:15,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15 WrapperNode [2024-11-02 11:25:15,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:15,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:15,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:15,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:15,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,612 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-02 11:25:15,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:15,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:15,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:15,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:15,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:15,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:15,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:15,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:15,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (1/1) ... [2024-11-02 11:25:15,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:15,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:15,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:15,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:15,851 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:25:15,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:25:15,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 11:25:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:15,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:15,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:15,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:16,390 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:16,390 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:16,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:16,655 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:16,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:16 BoogieIcfgContainer [2024-11-02 11:25:16,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:16,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:16,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:16,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:16,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:15" (1/3) ... [2024-11-02 11:25:16,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406c7e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:16, skipping insertion in model container [2024-11-02 11:25:16,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:15" (2/3) ... [2024-11-02 11:25:16,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@406c7e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:16, skipping insertion in model container [2024-11-02 11:25:16,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:16" (3/3) ... [2024-11-02 11:25:16,668 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-02 11:25:16,691 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:16,691 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:25:16,785 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:16,797 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;@431a4245, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:16,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:25:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-02 11:25:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-02 11:25:16,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:16,833 INFO L215 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:16,834 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:16,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:16,843 INFO L85 PathProgramCache]: Analyzing trace with hash -935546300, now seen corresponding path program 1 times [2024-11-02 11:25:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 11:25:16,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91779195] [2024-11-02 11:25:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:16,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 11:25:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 11:25:17,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1982233791] [2024-11-02 11:25:17,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:17,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 11:25:17,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:17,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 11:25:17,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 11:25:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:17,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 11:25:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 11:25:17,610 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 11:25:17,613 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 11:25:17,615 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 11:25:17,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 11:25:17,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 11:25:17,836 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 11:25:17,938 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 11:25:17,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 11:25:17 BoogieIcfgContainer [2024-11-02 11:25:17,947 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 11:25:17,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 11:25:17,948 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 11:25:17,950 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 11:25:17,951 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:16" (3/4) ... [2024-11-02 11:25:17,955 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 11:25:17,957 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 11:25:17,959 INFO L158 Benchmark]: Toolchain (without parser) took 2936.00ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 115.5MB in the beginning and 139.9MB in the end (delta: -24.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-02 11:25:17,960 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:17,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.95ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 100.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-02 11:25:17,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.74ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 97.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 11:25:17,962 INFO L158 Benchmark]: Boogie Preprocessor took 85.71ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 11:25:17,963 INFO L158 Benchmark]: RCFGBuilder took 947.71ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 94.9MB in the beginning and 174.5MB in the end (delta: -79.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-02 11:25:17,965 INFO L158 Benchmark]: TraceAbstraction took 1287.38ms. Allocated memory is still 218.1MB. Free memory was 173.5MB in the beginning and 139.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-02 11:25:17,965 INFO L158 Benchmark]: Witness Printer took 8.90ms. Allocated memory is still 218.1MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 11:25:17,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.95ms. Allocated memory is still 148.9MB. Free memory was 115.1MB in the beginning and 100.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.74ms. Allocated memory is still 148.9MB. Free memory was 100.4MB in the beginning and 97.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.71ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 947.71ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 94.9MB in the beginning and 174.5MB in the end (delta: -79.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1287.38ms. Allocated memory is still 218.1MB. Free memory was 173.5MB in the beginning and 139.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 8.90ms. Allocated memory is still 218.1MB. Free memory is still 139.9MB. 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 55, overapproximation of shiftLeft at line 41, overapproximation of someUnaryDOUBLEoperation at line 29. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned short int var_1_5 = 200; [L24] unsigned short int var_1_6 = 56955; [L25] unsigned short int var_1_7 = 32; [L26] unsigned short int var_1_8 = 1; [L27] unsigned short int var_1_9 = 8; [L28] unsigned char var_1_10 = 1; [L29] float var_1_11 = -0.6; [L30] float var_1_12 = 9.125; [L31] float var_1_13 = 50.5; [L32] unsigned short int last_1_var_1_1 = 10; [L33] unsigned short int last_1_var_1_9 = 8; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L85] last_1_var_1_1 = var_1_1 [L86] last_1_var_1_9 = var_1_9 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L64] var_1_5 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L66] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=56955, var_1_7=32, var_1_8=1, var_1_9=8] [L67] var_1_6 = __VERIFIER_nondet_ushort() [L68] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L69] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32, var_1_8=1, var_1_9=8] [L70] var_1_7 = __VERIFIER_nondet_ushort() [L71] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_8=1, var_1_9=8] [L72] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=1, var_1_9=8] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=1, var_1_9=8] [L73] var_1_8 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_9=8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_9=8] [L75] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L76] var_1_10 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L78] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_12=73/8, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L79] var_1_12 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_13=101/2, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L81] var_1_13 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=8] [L97] RET updateVariables() [L98] CALL step() [L37] COND TRUE last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1) [L38] var_1_1 = ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))) [L40] COND TRUE var_1_10 || (var_1_6 == var_1_8) [L41] EXPR ((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1 [L41] COND FALSE !(var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) [L48] var_1_9 = 2 [L53] COND TRUE var_1_7 != var_1_6 [L54] COND FALSE !(var_1_7 <= var_1_9) [L57] var_1_11 = var_1_12 [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) [L89] EXPR (var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)) [L89] EXPR ((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1 [L89] EXPR (var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)) [L89] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6))) [L89-L90] return (((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? (var_1_1 == ((unsigned short int) ((((var_1_5) > ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8))))) ? (var_1_5) : ((((((var_1_6 - var_1_7)) > (var_1_8)) ? ((var_1_6 - var_1_7)) : (var_1_8)))))))) : 1) && ((var_1_10 || (var_1_6 == var_1_8)) ? ((var_1_6 <= (((((0) < (var_1_1)) ? (0) : (var_1_1))) << var_1_1)) ? ((var_1_10 && (var_1_1 == (var_1_6 * var_1_5))) ? (var_1_9 == ((unsigned short int) var_1_5)) : (var_1_9 == ((unsigned short int) var_1_5))) : (var_1_9 == ((unsigned short int) 2))) : (var_1_9 == ((unsigned short int) var_1_6)))) && ((var_1_7 != var_1_6) ? ((var_1_7 <= var_1_9) ? (var_1_11 == ((float) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_11 == ((float) var_1_12))) : (var_1_11 == ((float) var_1_12))) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10=1, var_1_11=2, var_1_12=2, var_1_13=0, var_1_1=10, var_1_5=10, var_1_6=32767, var_1_7=32757, var_1_8=9, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 12, 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=28occurred 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, 94 NumberOfCodeBlocks, 94 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 [2024-11-02 11:25:18,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2 --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 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 11:25:20,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 11:25:20,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 11:25:20,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 11:25:20,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 11:25:21,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 11:25:21,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 11:25:21,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 11:25:21,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 11:25:21,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 11:25:21,028 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 11:25:21,029 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 11:25:21,029 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 11:25:21,030 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 11:25:21,030 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 11:25:21,031 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 11:25:21,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 11:25:21,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 11:25:21,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 11:25:21,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 11:25:21,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 11:25:21,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 11:25:21,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 11:25:21,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 11:25:21,037 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 11:25:21,038 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 11:25:21,038 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 11:25:21,039 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 11:25:21,039 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 11:25:21,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 11:25:21,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 11:25:21,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 11:25:21,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 11:25:21,043 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 11:25:21,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 11:25:21,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:21,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 11:25:21,044 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 11:25:21,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 11:25:21,045 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 11:25:21,045 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 11:25:21,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 11:25:21,047 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 11:25:21,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 11:25:21,048 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 367edc47af4ec003a96fd86b04464a3d0c779fcc885147096dbe680589605201 [2024-11-02 11:25:21,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 11:25:21,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 11:25:21,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 11:25:21,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 11:25:21,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 11:25:21,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i Unable to find full path for "g++" [2024-11-02 11:25:23,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 11:25:23,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 11:25:23,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-02 11:25:23,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data/117d0707f/f9f428a1fe2942f095e92ff1a3a566de/FLAG5fb02c24c [2024-11-02 11:25:23,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/data/117d0707f/f9f428a1fe2942f095e92ff1a3a566de [2024-11-02 11:25:23,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 11:25:23,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 11:25:23,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:23,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 11:25:23,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 11:25:23,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:23" (1/1) ... [2024-11-02 11:25:23,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ab811b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:23, skipping insertion in model container [2024-11-02 11:25:23,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 11:25:23" (1/1) ... [2024-11-02 11:25:23,924 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 11:25:24,180 WARN L251 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_204ca862-8131-45ae-854a-6f71493accf9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-02 11:25:24,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:24,268 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 11:25:24,287 WARN L251 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_204ca862-8131-45ae-854a-6f71493accf9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-2.i[916,929] [2024-11-02 11:25:24,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 11:25:24,369 INFO L204 MainTranslator]: Completed translation [2024-11-02 11:25:24,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24 WrapperNode [2024-11-02 11:25:24,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 11:25:24,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:24,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 11:25:24,372 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 11:25:24,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,440 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 95 [2024-11-02 11:25:24,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 11:25:24,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 11:25:24,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 11:25:24,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 11:25:24,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,513 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 11:25:24,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 11:25:24,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 11:25:24,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 11:25:24,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (1/1) ... [2024-11-02 11:25:24,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 11:25:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 11:25:24,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 11:25:24,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 11:25:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 11:25:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 11:25:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 11:25:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 11:25:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 11:25:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 11:25:24,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 11:25:24,719 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 11:25:25,101 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 11:25:25,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 11:25:25,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 11:25:25,126 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 11:25:25,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:25 BoogieIcfgContainer [2024-11-02 11:25:25,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 11:25:25,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 11:25:25,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 11:25:25,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 11:25:25,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 11:25:23" (1/3) ... [2024-11-02 11:25:25,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd10de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:25, skipping insertion in model container [2024-11-02 11:25:25,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 11:25:24" (2/3) ... [2024-11-02 11:25:25,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd10de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 11:25:25, skipping insertion in model container [2024-11-02 11:25:25,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 11:25:25" (3/3) ... [2024-11-02 11:25:25,141 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-2.i [2024-11-02 11:25:25,167 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 11:25:25,167 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 11:25:25,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 11:25:25,301 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;@27f93b23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 11:25:25,301 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 11:25:25,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-02 11:25:25,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-02 11:25:25,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:25,322 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:25,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:25,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:25,331 INFO L85 PathProgramCache]: Analyzing trace with hash -475101046, now seen corresponding path program 1 times [2024-11-02 11:25:25,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:25,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991449874] [2024-11-02 11:25:25,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:25,351 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 [2024-11-02 11:25:25,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:25,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:25:25,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:25:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:25,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 11:25:25,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 11:25:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-02 11:25:25,694 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 11:25:25,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 11:25:25,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991449874] [2024-11-02 11:25:25,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991449874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 11:25:25,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 11:25:25,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 11:25:25,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963302845] [2024-11-02 11:25:25,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 11:25:25,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 11:25:25,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 11:25:25,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 11:25:25,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:25:25,742 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-02 11:25:25,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 11:25:25,780 INFO L93 Difference]: Finished difference Result 81 states and 134 transitions. [2024-11-02 11:25:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 11:25:25,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2024-11-02 11:25:25,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 11:25:25,794 INFO L225 Difference]: With dead ends: 81 [2024-11-02 11:25:25,794 INFO L226 Difference]: Without dead ends: 40 [2024-11-02 11:25:25,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 11:25:25,805 INFO L432 NwaCegarLoop]: 57 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, 57 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 [2024-11-02 11:25:25,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 11:25:25,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-02 11:25:25,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-02 11:25:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-02 11:25:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 57 transitions. [2024-11-02 11:25:25,872 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 57 transitions. Word has length 79 [2024-11-02 11:25:25,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 11:25:25,873 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 57 transitions. [2024-11-02 11:25:25,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-02 11:25:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-02 11:25:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-02 11:25:25,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 11:25:25,878 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 11:25:25,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/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)] Forceful destruction successful, exit code 0 [2024-11-02 11:25:26,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:25:26,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 11:25:26,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 11:25:26,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2098690894, now seen corresponding path program 1 times [2024-11-02 11:25:26,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 11:25:26,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646690548] [2024-11-02 11:25:26,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 11:25:26,081 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 [2024-11-02 11:25:26,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 11:25:26,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 11:25:26,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ca862-8131-45ae-854a-6f71493accf9/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 11:25:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 11:25:26,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-02 11:25:26,353 INFO L278 TraceCheckSpWp]: Computing forward predicates...