./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ --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 f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:51:32,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:51:32,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:51:32,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:51:32,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:51:32,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:51:32,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:51:32,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:51:32,623 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:51:32,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:51:32,629 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:51:32,629 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:51:32,630 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:51:32,632 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:51:32,632 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:51:32,632 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:51:32,633 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:51:32,633 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:51:32,634 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:51:32,634 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:51:32,635 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:51:32,635 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:51:32,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:51:32,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:51:32,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:51:32,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:51:32,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:51:32,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:51:32,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:51:32,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:51:32,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:51:32,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:51:32,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:51:32,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:51:32,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:51:32,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:51:32,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:32,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:51:32,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:51:32,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:51:32,643 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:51:32,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:51:32,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:51:32,645 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:51:32,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:51:32,645 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_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa [2023-11-19 04:51:32,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:51:32,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:51:32,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:51:32,955 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:51:32,956 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:51:32,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2023-11-19 04:51:36,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:51:36,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:51:36,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2023-11-19 04:51:36,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data/cde835551/5428193333f44bdbb7d9fbf609e99beb/FLAGd0af2f447 [2023-11-19 04:51:36,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data/cde835551/5428193333f44bdbb7d9fbf609e99beb [2023-11-19 04:51:36,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:51:36,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:51:36,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:36,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:51:36,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:51:36,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbc5c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36, skipping insertion in model container [2023-11-19 04:51:36,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,448 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:51:36,635 WARN L240 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_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i[917,930] [2023-11-19 04:51:36,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:36,720 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:51:36,749 WARN L240 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_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i[917,930] [2023-11-19 04:51:36,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:36,809 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:51:36,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36 WrapperNode [2023-11-19 04:51:36,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:36,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:36,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:51:36,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:51:36,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,866 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-19 04:51:36,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:36,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:51:36,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:51:36,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:51:36,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:51:36,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:51:36,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:51:36,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:51:36,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (1/1) ... [2023-11-19 04:51:36,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:36,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:36,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:51:36,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:51:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:51:36,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:51:36,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:51:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:51:36,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:51:36,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:51:37,082 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:51:37,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:51:37,521 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:51:37,704 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:51:37,704 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:51:37,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:37 BoogieIcfgContainer [2023-11-19 04:51:37,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:51:37,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:51:37,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:51:37,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:51:37,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:51:36" (1/3) ... [2023-11-19 04:51:37,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dab94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:37, skipping insertion in model container [2023-11-19 04:51:37,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:36" (2/3) ... [2023-11-19 04:51:37,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dab94b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:37, skipping insertion in model container [2023-11-19 04:51:37,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:37" (3/3) ... [2023-11-19 04:51:37,729 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-94.i [2023-11-19 04:51:37,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:51:37,757 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:51:37,808 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:51:37,814 INFO L357 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, mHoare=true, 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;@42f5cca5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:51:37,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:51:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:51:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 04:51:37,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:37,831 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:51:37,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:37,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1566629993, now seen corresponding path program 1 times [2023-11-19 04:51:37,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:51:37,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806019508] [2023-11-19 04:51:37,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:37,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:51:38,026 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:51:38,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461644070] [2023-11-19 04:51:38,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:38,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:51:38,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:38,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:51:38,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:51:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:51:38,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:51:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:51:38,480 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:51:38,485 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:51:38,486 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:51:38,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:51:38,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:51:38,713 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:51:38,717 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:51:38,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:51:38 BoogieIcfgContainer [2023-11-19 04:51:38,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:51:38,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:51:38,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:51:38,812 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:51:38,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:37" (3/4) ... [2023-11-19 04:51:38,814 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:51:38,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:51:38,817 INFO L158 Benchmark]: Toolchain (without parser) took 2431.02ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 70.8MB in the end (delta: 59.2MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:38,817 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:51:38,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.90ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 116.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:51:38,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.06ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 114.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:38,819 INFO L158 Benchmark]: Boogie Preprocessor took 40.60ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 112.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:51:38,820 INFO L158 Benchmark]: RCFGBuilder took 808.45ms. Allocated memory is still 161.5MB. Free memory was 112.6MB in the beginning and 113.2MB in the end (delta: -615.5kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:51:38,821 INFO L158 Benchmark]: TraceAbstraction took 1091.84ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 71.2MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:51:38,821 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 161.5MB. Free memory was 71.2MB in the beginning and 70.8MB in the end (delta: 415.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:51:38,825 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.90ms. Allocated memory is still 161.5MB. Free memory was 130.0MB in the beginning and 116.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.06ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 114.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.60ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 112.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 808.45ms. Allocated memory is still 161.5MB. Free memory was 112.6MB in the beginning and 113.2MB in the end (delta: -615.5kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1091.84ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 71.2MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 161.5MB. Free memory was 71.2MB in the beginning and 70.8MB in the end (delta: 415.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 63.4; [L23] float var_1_2 = 25.2; [L24] float var_1_3 = 3.75; [L25] double var_1_4 = 0.0; [L26] double var_1_5 = 63.4; [L27] double var_1_6 = 3.7; [L28] unsigned char var_1_7 = 0; [L29] double var_1_8 = 63.75; [L30] unsigned char var_1_9 = 0; [L31] unsigned char var_1_10 = 0; [L32] signed char var_1_11 = -64; [L33] signed char var_1_12 = -32; [L34] signed char var_1_13 = 2; [L35] signed char var_1_14 = -4; [L36] signed char var_1_15 = -25; [L37] signed char var_1_16 = 5; [L38] signed long int var_1_17 = -2; [L39] unsigned char var_1_18 = 2; [L40] unsigned char var_1_19 = 16; [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] FCALL updateLastVariables() [L123] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=15/4, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L73] var_1_3 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=0, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L75] var_1_4 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_4 >= 4611686.018427382800e+12F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_4 >= 4611686.018427382800e+12F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=317/5, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L77] var_1_5 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=37/10, var_1_7=0, var_1_8=255/4, var_1_9=0] [L79] var_1_6 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=255/4, var_1_9=0] [L81] var_1_8 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=0] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_8 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=0] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_8 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=0] [L84] var_1_9 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L87] var_1_10 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=-32, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L90] var_1_12 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L93] var_1_13 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=-4, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L96] var_1_14 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=-25, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L99] var_1_15 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_15 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_15 >= -31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=5, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L102] var_1_16 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_16 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_16 >= -31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_16 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_16 <= 31) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=2, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L105] var_1_18 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_18 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_18 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_18 <= 128) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_18 <= 128) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=16, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L108] var_1_19 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L110] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=-64, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=317/5, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L123] RET updateVariables() [L124] CALL step() [L44] COND TRUE var_1_2 != var_1_3 [L45] var_1_1 = ((var_1_4 - var_1_5) - var_1_6) [L47] COND TRUE var_1_5 > (var_1_1 / var_1_4) [L48] COND FALSE !(var_1_5 > (var_1_4 / var_1_8)) [L51] var_1_7 = var_1_10 [L54] COND TRUE var_1_10 || var_1_9 [L55] var_1_11 = var_1_12 [L59] signed char stepLocal_0 = var_1_15; [L60] COND TRUE var_1_6 > var_1_5 [L61] COND TRUE var_1_1 != (var_1_4 / var_1_8) [L62] COND FALSE !((var_1_11 % (var_1_18 + var_1_19)) > stepLocal_0) [L124] RET step() [L125] CALL, EXPR property() [L115-L116] return ((((var_1_2 != var_1_3) ? (var_1_1 == ((double) ((var_1_4 - var_1_5) - var_1_6))) : 1) && ((var_1_5 > (var_1_1 / var_1_4)) ? ((var_1_5 > (var_1_4 / var_1_8)) ? (var_1_7 == ((unsigned char) var_1_9)) : (var_1_7 == ((unsigned char) var_1_10))) : 1)) && ((var_1_10 || var_1_9) ? (var_1_11 == ((signed char) var_1_12)) : (var_1_11 == ((signed char) (((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14))) + (var_1_15 + var_1_16)))))) && ((var_1_6 > var_1_5) ? ((var_1_1 != (var_1_4 / var_1_8)) ? (((var_1_11 % (var_1_18 + var_1_19)) > var_1_15) ? (var_1_17 == ((signed long int) -64)) : 1) : 1) : (var_1_17 == ((signed long int) var_1_13))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=-2, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=-2, var_1_18=1, var_1_19=1, var_1_1=0, var_1_3=2, var_1_4=3, var_1_5=4, var_1_6=5, var_1_7=0, var_1_8=6, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:51:38,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ --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 f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:51:41,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:51:41,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:51:41,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:51:41,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:51:41,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:51:41,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:51:41,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:51:41,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:51:41,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:51:41,799 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:51:41,799 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:51:41,800 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:51:41,802 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:51:41,802 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:51:41,803 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:51:41,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:51:41,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:51:41,805 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:51:41,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:51:41,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:51:41,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:51:41,808 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:51:41,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:51:41,808 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:51:41,809 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:51:41,809 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:51:41,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:51:41,810 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:51:41,811 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:51:41,812 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:51:41,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:51:41,813 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:51:41,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:41,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:51:41,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:51:41,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:51:41,815 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:51:41,815 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:51:41,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:51:41,816 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:51:41,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:51:41,817 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_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1c78a4e63f7f3584f769e26e6cb36f876487b10e0fb4a737f3e2bfaf22c68fa [2023-11-19 04:51:42,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:51:42,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:51:42,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:51:42,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:51:42,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:51:42,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2023-11-19 04:51:45,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:51:45,627 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:51:45,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i [2023-11-19 04:51:45,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data/8a623b56a/2403af1e52fb4fbeaeb7db7c60ad9987/FLAG1296c33bb [2023-11-19 04:51:45,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/data/8a623b56a/2403af1e52fb4fbeaeb7db7c60ad9987 [2023-11-19 04:51:45,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:51:45,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:51:45,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:45,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:51:45,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:51:45,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:45" (1/1) ... [2023-11-19 04:51:45,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b07d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:45, skipping insertion in model container [2023-11-19 04:51:45,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:51:45" (1/1) ... [2023-11-19 04:51:45,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:51:45,912 WARN L240 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_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i[917,930] [2023-11-19 04:51:45,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:45,976 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:51:45,989 WARN L240 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_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-94.i[917,930] [2023-11-19 04:51:46,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:51:46,032 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:51:46,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46 WrapperNode [2023-11-19 04:51:46,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:51:46,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:46,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:51:46,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:51:46,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,083 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-19 04:51:46,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:51:46,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:51:46,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:51:46,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:51:46,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:51:46,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:51:46,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:51:46,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:51:46,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (1/1) ... [2023-11-19 04:51:46,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:51:46,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:51:46,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:51:46,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:51:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:51:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:51:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:51:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:51:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:51:46,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:51:46,385 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:51:46,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:51:58,922 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:51:58,942 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:51:58,942 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:51:58,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:58 BoogieIcfgContainer [2023-11-19 04:51:58,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:51:58,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:51:58,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:51:58,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:51:58,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:51:45" (1/3) ... [2023-11-19 04:51:58,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de385e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:58, skipping insertion in model container [2023-11-19 04:51:58,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:51:46" (2/3) ... [2023-11-19 04:51:58,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de385e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:51:58, skipping insertion in model container [2023-11-19 04:51:58,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:51:58" (3/3) ... [2023-11-19 04:51:58,957 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-94.i [2023-11-19 04:51:58,977 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:51:58,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:51:59,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:51:59,039 INFO L357 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, mHoare=true, 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;@64cb3774, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:51:59,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:51:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:51:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-19 04:51:59,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:51:59,063 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:51:59,064 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:51:59,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:51:59,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1757483806, now seen corresponding path program 1 times [2023-11-19 04:51:59,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:51:59,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416813487] [2023-11-19 04:51:59,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:51:59,088 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 [2023-11-19 04:51:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:51:59,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:51:59,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:01,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:52:01,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:52:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-19 04:52:01,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:52:01,170 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:52:01,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416813487] [2023-11-19 04:52:01,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416813487] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:52:01,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:52:01,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:52:01,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343777975] [2023-11-19 04:52:01,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:52:01,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:52:01,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:52:01,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:52:01,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:52:01,234 INFO L87 Difference]: Start difference. First operand has 67 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:52:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:52:01,296 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2023-11-19 04:52:01,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:52:01,299 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 154 [2023-11-19 04:52:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:52:01,313 INFO L225 Difference]: With dead ends: 127 [2023-11-19 04:52:01,314 INFO L226 Difference]: Without dead ends: 63 [2023-11-19 04:52:01,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:52:01,328 INFO L413 NwaCegarLoop]: 94 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, 94 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 [2023-11-19 04:52:01,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:52:01,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-19 04:52:01,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-19 04:52:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:52:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 94 transitions. [2023-11-19 04:52:01,412 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 94 transitions. Word has length 154 [2023-11-19 04:52:01,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:52:01,413 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 94 transitions. [2023-11-19 04:52:01,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:52:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2023-11-19 04:52:01,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-19 04:52:01,418 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:01,418 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:01,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:01,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:01,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:01,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:01,621 INFO L85 PathProgramCache]: Analyzing trace with hash 592051112, now seen corresponding path program 1 times [2023-11-19 04:52:01,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:52:01,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993875126] [2023-11-19 04:52:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:01,623 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 [2023-11-19 04:52:01,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:52:01,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:52:01,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_087a9c8c-a7ac-4ea4-9eb4-cabc36924d96/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:52:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:52:03,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:52:03,777 INFO L285 TraceCheckSpWp]: Computing forward predicates...