./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje --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 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:15:18,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:15:18,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:15:18,595 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:15:18,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:15:18,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:15:18,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:15:18,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:15:18,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:15:18,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:15:18,654 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:15:18,655 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:15:18,656 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:15:18,656 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:15:18,659 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:15:18,660 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:15:18,661 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:15:18,662 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:15:18,662 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:15:18,663 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:15:18,663 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:15:18,668 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:15:18,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:15:18,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:15:18,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:15:18,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:15:18,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:15:18,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:15:18,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:15:18,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:15:18,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:15:18,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:15:18,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:15:18,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:15:18,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:15:18,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:15:18,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:15:18,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:15:18,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:15:18,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:15:18,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:15:18,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:15:18,680 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:15:18,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:15:18,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:15:18,681 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:15:18,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:15:18,682 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_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 [2024-11-09 05:15:19,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:15:19,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:15:19,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:15:19,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:15:19,197 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:15:19,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i Unable to find full path for "g++" [2024-11-09 05:15:21,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:15:22,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:15:22,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2024-11-09 05:15:22,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data/830ad6fc9/111b30b7ec114fa3bfd613e1f42ee0f9/FLAG35d699395 [2024-11-09 05:15:22,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data/830ad6fc9/111b30b7ec114fa3bfd613e1f42ee0f9 [2024-11-09 05:15:22,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:15:22,127 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:15:22,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:15:22,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:15:22,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:15:22,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec0bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22, skipping insertion in model container [2024-11-09 05:15:22,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:15:22,420 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_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2024-11-09 05:15:22,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:15:22,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:15:22,518 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_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2024-11-09 05:15:22,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:15:22,579 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:15:22,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22 WrapperNode [2024-11-09 05:15:22,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:15:22,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:15:22,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:15:22,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:15:22,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,662 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-09 05:15:22,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:15:22,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:15:22,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:15:22,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:15:22,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:15:22,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:15:22,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:15:22,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:15:22,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (1/1) ... [2024-11-09 05:15:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:15:22,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:15:22,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:15:22,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:15:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:15:22,851 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:15:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:15:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:15:22,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:15:22,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:15:22,967 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:15:22,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:15:23,363 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:15:23,363 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:15:23,602 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:15:23,603 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:15:23,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:23 BoogieIcfgContainer [2024-11-09 05:15:23,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:15:23,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:15:23,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:15:23,616 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:15:23,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:15:22" (1/3) ... [2024-11-09 05:15:23,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfe54e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:23, skipping insertion in model container [2024-11-09 05:15:23,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:22" (2/3) ... [2024-11-09 05:15:23,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfe54e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:23, skipping insertion in model container [2024-11-09 05:15:23,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:23" (3/3) ... [2024-11-09 05:15:23,621 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-91.i [2024-11-09 05:15:23,640 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:15:23,641 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:15:23,727 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:15:23,743 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;@722049e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:15:23,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:15:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:15:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 05:15:23,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:15:23,765 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:15:23,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:15:23,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:15:23,774 INFO L85 PathProgramCache]: Analyzing trace with hash -564181858, now seen corresponding path program 1 times [2024-11-09 05:15:23,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:15:23,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028984644] [2024-11-09 05:15:23,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:15:23,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:15:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:15:24,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1648303684] [2024-11-09 05:15:24,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:15:24,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:15:24,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:15:24,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:15:24,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:15:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:15:24,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:15:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:15:25,010 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:15:25,014 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:15:25,017 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:15:25,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:15:25,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:15:25,233 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:15:25,375 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:15:25,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:15:25 BoogieIcfgContainer [2024-11-09 05:15:25,384 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:15:25,385 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:15:25,386 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:15:25,386 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:15:25,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:23" (3/4) ... [2024-11-09 05:15:25,392 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:15:25,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:15:25,396 INFO L158 Benchmark]: Toolchain (without parser) took 3268.28ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 118.4MB in the beginning and 131.7MB in the end (delta: -13.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-09 05:15:25,398 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 157.3MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:15:25,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.28ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 103.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 05:15:25,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.85ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:15:25,402 INFO L158 Benchmark]: Boogie Preprocessor took 70.11ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 100.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:15:25,403 INFO L158 Benchmark]: RCFGBuilder took 869.02ms. Allocated memory is still 157.3MB. Free memory was 100.1MB in the beginning and 72.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-09 05:15:25,406 INFO L158 Benchmark]: TraceAbstraction took 1777.30ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 71.8MB in the beginning and 132.7MB in the end (delta: -60.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:15:25,406 INFO L158 Benchmark]: Witness Printer took 8.73ms. Allocated memory is still 207.6MB. Free memory is still 131.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:15:25,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 157.3MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.28ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 103.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.85ms. Allocated memory is still 157.3MB. Free memory was 103.8MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.11ms. Allocated memory is still 157.3MB. Free memory was 101.6MB in the beginning and 100.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.02ms. Allocated memory is still 157.3MB. Free memory was 100.1MB in the beginning and 72.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1777.30ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 71.8MB in the beginning and 132.7MB in the end (delta: -60.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.73ms. Allocated memory is still 207.6MB. Free memory is still 131.7MB. 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 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 100000000; [L23] signed long int var_1_2 = 49; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 64; [L26] signed short int var_1_5 = 1; [L27] signed long int var_1_6 = 8; [L28] signed long int var_1_7 = 0; [L29] signed short int var_1_8 = -4; [L30] unsigned long int var_1_9 = 64; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 10; [L33] signed short int var_1_12 = 100; [L34] signed short int var_1_14 = 128; [L35] signed short int var_1_15 = 10; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] FCALL updateLastVariables() [L111] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L71] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=64, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L72] var_1_3 = __VERIFIER_nondet_ulong() [L73] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L74] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=64, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L75] var_1_4 = __VERIFIER_nondet_ulong() [L76] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L77] CALL assume_abort_if_not(var_1_4 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_4 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=8, var_1_7=0, var_1_8=-4, var_1_9=64] [L78] var_1_6 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L80] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=0, var_1_8=-4, var_1_9=64] [L81] var_1_7 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-4, var_1_9=64] [L83] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-4, var_1_9=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-4, var_1_9=64] [L84] var_1_8 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_8 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 >= -32767) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L86] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=16, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L87] var_1_10 = __VERIFIER_nondet_ulong() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L89] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-8489934590, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, var_1_10=-8489934590, var_1_11=10, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L90] var_1_11 = __VERIFIER_nondet_ulong() [L91] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-8489934590, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-8489934590, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L92] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=128, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L93] var_1_14 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L95] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=10, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L96] var_1_15 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=99, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=99, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L98] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=99, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=99, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=1, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=64] [L111] RET updateVariables() [L112] CALL step() [L39] COND FALSE !(var_1_2 >= 50.4f) [L42] COND FALSE !(var_1_3 == (var_1_1 * var_1_4)) [L49] var_1_5 = var_1_8 [L51] COND TRUE ! (var_1_4 < var_1_3) [L52] var_1_9 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))) [L56] COND TRUE var_1_10 > var_1_9 [L57] COND TRUE 63.1 >= var_1_7 [L58] COND FALSE !(var_1_7 >= var_1_2) [L61] var_1_12 = var_1_14 [L112] RET step() [L113] CALL, EXPR property() [L103-L104] return ((((var_1_2 >= 50.4f) ? (var_1_1 == ((unsigned long int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : 1) && ((var_1_3 == (var_1_1 * var_1_4)) ? ((var_1_2 >= (var_1_6 + var_1_7)) ? (var_1_5 == ((signed short int) var_1_8)) : (var_1_5 == ((signed short int) 32))) : (var_1_5 == ((signed short int) var_1_8)))) && ((! (var_1_4 < var_1_3)) ? (var_1_9 == ((unsigned long int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_9 == ((unsigned long int) ((((var_1_11) > (var_1_10)) ? (var_1_11) : (var_1_10))))))) && ((var_1_10 > var_1_9) ? ((63.1 >= var_1_7) ? ((var_1_7 >= var_1_2) ? (var_1_12 == ((signed short int) (var_1_14 - var_1_15))) : (var_1_12 == ((signed short int) var_1_14))) : 1) : (var_1_12 == ((signed short int) var_1_15))) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=99, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=-32767, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=-4194967295] [L19] reach_error() VAL [isInitial=1, var_1_10=-8489934590, var_1_11=-8489934591, var_1_12=100, var_1_14=100, var_1_15=99, var_1_1=100000000, var_1_2=-2147483647, var_1_3=100000001, var_1_4=-4194967295, var_1_5=-32767, var_1_6=-2147483648, var_1_7=-2147483648, var_1_8=-32767, var_1_9=-4194967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 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 [2024-11-09 05:15:25,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje --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 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:15:28,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:15:28,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:15:28,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:15:28,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:15:28,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:15:28,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:15:28,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:15:28,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:15:28,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:15:28,985 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:15:28,986 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:15:28,987 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:15:28,987 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:15:28,988 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:15:28,992 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:15:28,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:15:28,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:15:28,996 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:15:28,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:15:28,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:15:28,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:15:28,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:15:28,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:15:28,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:15:29,000 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:15:29,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:15:29,000 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:15:29,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:15:29,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:15:29,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:15:29,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:15:29,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:15:29,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:15:29,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:15:29,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:15:29,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:15:29,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:15:29,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:15:29,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:15:29,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:15:29,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:15:29,007 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:15:29,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5353ffee1c37a3ffec4ffba8ec43efc8addb948d99d804c998abea189ea9cf15 [2024-11-09 05:15:29,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:15:29,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:15:29,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:15:29,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:15:29,570 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:15:29,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i Unable to find full path for "g++" [2024-11-09 05:15:32,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:15:32,584 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:15:32,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i [2024-11-09 05:15:32,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data/bf1d3f905/eebeb92b57954cb6a9ad21c1e7b0b8ce/FLAG7fa875457 [2024-11-09 05:15:32,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/data/bf1d3f905/eebeb92b57954cb6a9ad21c1e7b0b8ce [2024-11-09 05:15:32,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:15:32,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:15:32,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:15:32,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:15:32,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:15:32,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:32" (1/1) ... [2024-11-09 05:15:32,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d57d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:32, skipping insertion in model container [2024-11-09 05:15:32,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:15:32" (1/1) ... [2024-11-09 05:15:32,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:15:33,279 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_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2024-11-09 05:15:33,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:15:33,426 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:15:33,447 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_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-91.i[916,929] [2024-11-09 05:15:33,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:15:33,580 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:15:33,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33 WrapperNode [2024-11-09 05:15:33,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:15:33,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:15:33,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:15:33,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:15:33,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,673 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-09 05:15:33,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:15:33,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:15:33,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:15:33,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:15:33,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:15:33,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:15:33,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:15:33,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:15:33,759 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (1/1) ... [2024-11-09 05:15:33,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:15:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:15:33,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:15:33,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:15:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:15:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:15:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:15:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:15:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:15:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:15:34,006 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:15:34,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:15:35,995 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 05:15:35,996 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:15:36,023 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:15:36,024 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:15:36,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:36 BoogieIcfgContainer [2024-11-09 05:15:36,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:15:36,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:15:36,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:15:36,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:15:36,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:15:32" (1/3) ... [2024-11-09 05:15:36,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9e2175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:36, skipping insertion in model container [2024-11-09 05:15:36,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:15:33" (2/3) ... [2024-11-09 05:15:36,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a9e2175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:15:36, skipping insertion in model container [2024-11-09 05:15:36,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:15:36" (3/3) ... [2024-11-09 05:15:36,041 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-91.i [2024-11-09 05:15:36,063 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:15:36,064 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:15:36,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:15:36,168 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;@2db59862, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:15:36,169 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:15:36,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:15:36,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:15:36,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:15:36,192 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:15:36,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:15:36,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:15:36,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1924843033, now seen corresponding path program 1 times [2024-11-09 05:15:36,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:15:36,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239401319] [2024-11-09 05:15:36,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:15:36,220 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 [2024-11-09 05:15:36,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:15:36,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:15:36,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:15:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:15:36,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:15:36,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:15:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-09 05:15:36,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:15:36,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:15:36,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239401319] [2024-11-09 05:15:36,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1239401319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:15:36,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:15:36,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:15:36,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185088614] [2024-11-09 05:15:36,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:15:36,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:15:36,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:15:36,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:15:36,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:15:36,688 INFO L87 Difference]: Start difference. First operand has 56 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:15:36,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:15:36,735 INFO L93 Difference]: Finished difference Result 105 states and 184 transitions. [2024-11-09 05:15:36,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:15:36,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 123 [2024-11-09 05:15:36,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:15:36,747 INFO L225 Difference]: With dead ends: 105 [2024-11-09 05:15:36,747 INFO L226 Difference]: Without dead ends: 52 [2024-11-09 05:15:36,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:15:36,756 INFO L432 NwaCegarLoop]: 78 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, 78 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 [2024-11-09 05:15:36,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:15:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-09 05:15:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-09 05:15:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 05:15:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2024-11-09 05:15:36,821 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 123 [2024-11-09 05:15:36,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:15:36,822 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2024-11-09 05:15:36,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-09 05:15:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-09 05:15:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 05:15:36,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:15:36,827 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:15:36,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:15:37,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:15:37,029 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:15:37,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:15:37,030 INFO L85 PathProgramCache]: Analyzing trace with hash -429117927, now seen corresponding path program 1 times [2024-11-09 05:15:37,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:15:37,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878530594] [2024-11-09 05:15:37,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:15:37,032 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 [2024-11-09 05:15:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:15:37,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:15:37,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46811f24-4ee1-41cb-9a0e-28ccfd0e42ed/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:15:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:15:37,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 05:15:37,316 INFO L278 TraceCheckSpWp]: Computing forward predicates...