./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:22,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:22,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:28:22,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:22,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:22,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:22,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:22,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:22,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:22,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:22,792 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:22,792 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:22,794 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:22,795 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:22,795 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:22,796 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:22,796 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:22,797 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:22,797 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:22,802 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:22,803 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:22,804 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:22,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:22,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:22,806 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:22,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:22,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:22,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:22,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:22,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:22,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:22,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:22,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:22,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:22,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:22,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:22,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:22,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:22,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:22,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:22,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:22,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:22,816 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:22,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:22,817 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:22,817 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:22,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:22,817 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_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 [2024-11-02 12:28:23,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:23,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:23,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:23,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:23,208 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:23,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i Unable to find full path for "g++" [2024-11-02 12:28:25,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:26,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:26,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i [2024-11-02 12:28:26,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data/c617b19e0/0bbb99f300dd466292d5eb3dc5de14e1/FLAG679bf396f [2024-11-02 12:28:26,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data/c617b19e0/0bbb99f300dd466292d5eb3dc5de14e1 [2024-11-02 12:28:26,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:26,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:26,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:26,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:26,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:26,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bfcaa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26, skipping insertion in model container [2024-11-02 12:28:26,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,104 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:26,276 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2024-11-02 12:28:26,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:26,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:26,422 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2024-11-02 12:28:26,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:26,496 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:26,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26 WrapperNode [2024-11-02 12:28:26,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:26,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:26,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:26,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:26,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,578 INFO L138 Inliner]: procedures = 29, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 503 [2024-11-02 12:28:26,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:26,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:26,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:26,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:26,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:26,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:26,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:26,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:26,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (1/1) ... [2024-11-02 12:28:26,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:26,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:26,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:26,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-02 12:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-02 12:28:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-02 12:28:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-02 12:28:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-02 12:28:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:28:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:26,957 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:26,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:27,784 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:27,784 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:28,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:28,286 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:28,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:28 BoogieIcfgContainer [2024-11-02 12:28:28,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:28,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:28,291 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:28,295 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:28,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:26" (1/3) ... [2024-11-02 12:28:28,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11972df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:28, skipping insertion in model container [2024-11-02 12:28:28,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:26" (2/3) ... [2024-11-02 12:28:28,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11972df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:28, skipping insertion in model container [2024-11-02 12:28:28,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:28" (3/3) ... [2024-11-02 12:28:28,300 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-48.i [2024-11-02 12:28:28,322 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:28,322 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:28,402 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:28,411 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;@4a15f875, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:28,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-02 12:28:28,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:28,433 INFO L215 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:28,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:28,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:28,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2141339261, now seen corresponding path program 1 times [2024-11-02 12:28:28,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:28,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277377810] [2024-11-02 12:28:28,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:28,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:30,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:28:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:31,353 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:28:31,356 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:28:31,358 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:28:31,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:28:31,366 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:28:31,495 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:28:31,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:28:31 BoogieIcfgContainer [2024-11-02 12:28:31,499 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:28:31,502 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:28:31,502 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:28:31,502 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:28:31,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:28" (3/4) ... [2024-11-02 12:28:31,506 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:28:31,507 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:28:31,509 INFO L158 Benchmark]: Toolchain (without parser) took 5442.99ms. Allocated memory was 123.7MB in the beginning and 205.5MB in the end (delta: 81.8MB). Free memory was 85.2MB in the beginning and 97.7MB in the end (delta: -12.4MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:31,510 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:31,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.09ms. Allocated memory is still 123.7MB. Free memory was 85.2MB in the beginning and 67.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:28:31,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.34ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 62.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-02 12:28:31,513 INFO L158 Benchmark]: Boogie Preprocessor took 80.08ms. Allocated memory is still 123.7MB. Free memory was 62.5MB in the beginning and 58.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:31,514 INFO L158 Benchmark]: RCFGBuilder took 1627.30ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 58.7MB in the beginning and 98.9MB in the end (delta: -40.3MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-11-02 12:28:31,515 INFO L158 Benchmark]: TraceAbstraction took 3209.96ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 98.0MB in the beginning and 98.7MB in the end (delta: -760.4kB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:31,516 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 205.5MB. Free memory was 98.7MB in the beginning and 97.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:31,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.09ms. Allocated memory is still 123.7MB. Free memory was 85.2MB in the beginning and 67.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.34ms. Allocated memory is still 123.7MB. Free memory was 67.1MB in the beginning and 62.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.08ms. Allocated memory is still 123.7MB. Free memory was 62.5MB in the beginning and 58.7MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1627.30ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 58.7MB in the beginning and 98.9MB in the end (delta: -40.3MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3209.96ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 98.0MB in the beginning and 98.7MB in the end (delta: -760.4kB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 205.5MB. Free memory was 98.7MB in the beginning and 97.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] float float_Array_0[2][3] = { {9.25, 128.75, 255.675}, {4.5, 5.5, 32.8} }; [L28-L30] signed long int signed_long_int_Array_0[1] = { 64 }; [L31-L33] unsigned char unsigned_char_Array_0[3][3] = { {8, 5, 100}, {4, 200, 64}, {100, 200, 2} }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 1 }; [L37] unsigned char last_1_unsigned_char_Array_0_0__1_ = 5; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L104] EXPR unsigned_char_Array_0[0][1] [L104] last_1_unsigned_char_Array_0_0__1_ = unsigned_char_Array_0[0][1] [L114] RET updateLastVariables() [L115] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] float_Array_0[0][0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0][0] [L72] EXPR float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F [L72] EXPR float_Array_0[0][0] [L72] EXPR float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F [L72] EXPR (float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] CALL assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((float_Array_0[0][0] >= -922337.2036854765600e+13F && float_Array_0[0][0] <= -1.0e-20F) || (float_Array_0[0][0] <= 9223372.036854765600e+12F && float_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] float_Array_0[1][0] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1][0] [L74] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L74] EXPR float_Array_0[1][0] [L74] EXPR float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F [L74] EXPR (float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] CALL assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((float_Array_0[1][0] >= 0.0F && float_Array_0[1][0] <= -1.0e-20F) || (float_Array_0[1][0] <= 9223372.036854776000e+12F && float_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] float_Array_0[0][1] = __VERIFIER_nondet_float() [L76] EXPR float_Array_0[0][1] [L76] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L76] EXPR float_Array_0[0][1] [L76] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L76] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 9223372.036854776000e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] float_Array_0[1][1] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[1][1] [L78] EXPR float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F [L78] EXPR (float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F ) [L78] EXPR float_Array_0[1][1] [L78] EXPR float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F [L78] EXPR float_Array_0[1][1] [L78] EXPR float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F [L78] EXPR (float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((float_Array_0[1][1] >= -922337.2036854776000e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 9223372.036854776000e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] float_Array_0[0][2] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0][2] [L80] EXPR float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F [L80] EXPR float_Array_0[0][2] [L80] EXPR float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F [L80] EXPR (float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[0][2] >= -922337.2036854776000e+13F && float_Array_0[0][2] <= -1.0e-20F) || (float_Array_0[0][2] <= 9223372.036854776000e+12F && float_Array_0[0][2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L82] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L85] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] unsigned_char_Array_0[1][1] = __VERIFIER_nondet_uchar() [L88] EXPR unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] >= 190) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_char_Array_0[1][1] >= 190) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] EXPR unsigned_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[1][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_char_Array_0[1][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] unsigned_char_Array_0[2][1] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[2][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[2][1] >= 191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[2][1] >= 191) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[2][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[2][1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[2][1] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L93] unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L94] EXPR unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L94] CALL assume_abort_if_not(unsigned_char_Array_0[0][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(unsigned_char_Array_0[0][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] EXPR unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[0][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[0][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L96] unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L97] EXPR unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_char_Array_0[1][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_char_Array_0[1][2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] EXPR unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L98] CALL assume_abort_if_not(unsigned_char_Array_0[1][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_char_Array_0[1][2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L99] unsigned_char_Array_0[2][2] = __VERIFIER_nondet_uchar() [L100] EXPR unsigned_char_Array_0[2][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L100] CALL assume_abort_if_not(unsigned_char_Array_0[2][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_char_Array_0[2][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] EXPR unsigned_char_Array_0[2][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L101] CALL assume_abort_if_not(unsigned_char_Array_0[2][2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(unsigned_char_Array_0[2][2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L115] RET updateVariables() [L116] CALL step() [L41] EXPR float_Array_0[0][2] [L41] EXPR float_Array_0[1][1] [L41] COND TRUE float_Array_0[0][2] <= float_Array_0[1][1] [L42] EXPR float_Array_0[1][1] [L42] EXPR float_Array_0[0][1] [L42] EXPR float_Array_0[1][0] [L42] COND TRUE float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f) [L43] EXPR float_Array_0[0][0] [L43] float_Array_0[1][2] = float_Array_0[0][0] [L50] EXPR unsigned_char_Array_0[0][2] [L50] unsigned_long_int_Array_0[0] = unsigned_char_Array_0[0][2] [L51] EXPR unsigned_char_Array_0[2][1] [L51] signed_long_int_Array_0[0] = unsigned_char_Array_0[2][1] [L52] unsigned_char_Array_0[2][0] = 4 [L53] EXPR signed_long_int_Array_0[0] [L53] signed long int stepLocal_0 = signed_long_int_Array_0[0]; [L54] EXPR unsigned_char_Array_0[2][1] [L54] EXPR unsigned_char_Array_0[0][0] [L54] EXPR unsigned_char_Array_0[2][2] [L54] COND FALSE !(((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > stepLocal_0) [L57] EXPR BOOL_unsigned_char_Array_0[1] [L57] BOOL_unsigned_char_Array_0[0] = BOOL_unsigned_char_Array_0[1] [L59] BOOL_unsigned_char_Array_0[0] [L59] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR float_Array_0[0][2] [L107] EXPR float_Array_0[1][1] [L107] EXPR (float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR float_Array_0[1][1] [L107] EXPR float_Array_0[0][1] [L107] EXPR float_Array_0[1][0] [L107] EXPR (float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR float_Array_0[1][2] [L107] EXPR float_Array_0[0][0] [L107] EXPR (float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR (float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0])) [L107] EXPR ((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1) [L107] EXPR (((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1]))) [L107] EXPR ((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2])) [L107] EXPR (((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2]))) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[2][1])) [L107] EXPR ((((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2]))) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[2][1]))) && (unsigned_char_Array_0[2][0] == ((unsigned char) 4)) [L107-L108] return ((((((float_Array_0[0][2] <= float_Array_0[1][1]) ? ((float_Array_0[1][1] < ((float_Array_0[0][1] - float_Array_0[1][0]) + 1.395f)) ? (float_Array_0[1][2] == ((float) float_Array_0[0][0])) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) : (float_Array_0[1][2] == ((float) float_Array_0[0][0]))) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_unsigned_char_Array_0_0__1_ != last_1_unsigned_char_Array_0_0__1_) ? (unsigned_char_Array_0[0][1] == ((unsigned char) ((unsigned_char_Array_0[1][1] - unsigned_char_Array_0[0][0]) - unsigned_char_Array_0[1][0]))) : (unsigned_char_Array_0[0][1] == ((unsigned char) (unsigned_char_Array_0[1][1] - (((((unsigned_char_Array_0[0][2]) > (unsigned_char_Array_0[1][2])) ? (unsigned_char_Array_0[0][2]) : (unsigned_char_Array_0[1][2]))) - unsigned_char_Array_0[0][0]))))) : 1)) && ((((unsigned_char_Array_0[2][1] - unsigned_char_Array_0[0][0]) - (8 + unsigned_char_Array_0[2][2])) > signed_long_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! BOOL_unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[0][2]))) && (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[2][1]))) && (unsigned_char_Array_0[2][0] == ((unsigned char) 4)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_char_Array_0_0__1_=5, signed_long_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 21, 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=51occurred 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, 1.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:28:31,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/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_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:34,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:34,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:28:34,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:34,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:34,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:34,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:34,485 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:34,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:34,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:34,488 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:34,489 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:34,489 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:34,490 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:34,492 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:34,493 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:34,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:34,495 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:34,495 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:34,496 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:34,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:34,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:34,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:34,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:34,502 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:34,502 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:28:34,502 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:34,503 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:28:34,503 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:34,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:34,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:34,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:34,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:28:34,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:34,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:34,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:34,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:34,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:34,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:34,509 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:28:34,509 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:28:34,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:34,510 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:34,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:34,511 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_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b209b13322483f0de6355983dfc45de7dda6e23f708a5a679f61eb11dccb6a42 [2024-11-02 12:28:35,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:35,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:35,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:35,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:35,073 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:35,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i Unable to find full path for "g++" [2024-11-02 12:28:37,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:37,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:37,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i [2024-11-02 12:28:37,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data/2d2c3e4f4/80447da44d17482db65523a0883ed3ac/FLAGfc2947046 [2024-11-02 12:28:37,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/data/2d2c3e4f4/80447da44d17482db65523a0883ed3ac [2024-11-02 12:28:37,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:37,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:37,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:37,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:37,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:37,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:37" (1/1) ... [2024-11-02 12:28:37,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f62ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:37, skipping insertion in model container [2024-11-02 12:28:37,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:37" (1/1) ... [2024-11-02 12:28:37,964 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:38,208 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2024-11-02 12:28:38,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:38,403 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:38,418 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-48.i[916,929] [2024-11-02 12:28:38,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:38,563 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:38,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38 WrapperNode [2024-11-02 12:28:38,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:38,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:38,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:38,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:38,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,684 INFO L138 Inliner]: procedures = 33, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 503 [2024-11-02 12:28:38,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:38,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:38,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:38,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:38,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:38,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:38,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:38,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:38,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (1/1) ... [2024-11-02 12:28:38,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:38,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:38,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:38,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-02 12:28:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:28:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-02 12:28:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-02 12:28:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-02 12:28:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-02 12:28:38,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-02 12:28:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-02 12:28:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-02 12:28:39,126 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:39,128 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:41,626 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:41,626 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:41,654 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:41,656 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:41,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:41 BoogieIcfgContainer [2024-11-02 12:28:41,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:41,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:41,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:41,667 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:41,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:37" (1/3) ... [2024-11-02 12:28:41,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2320eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:41, skipping insertion in model container [2024-11-02 12:28:41,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:38" (2/3) ... [2024-11-02 12:28:41,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2320eea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:41, skipping insertion in model container [2024-11-02 12:28:41,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:41" (3/3) ... [2024-11-02 12:28:41,674 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-48.i [2024-11-02 12:28:41,697 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:41,698 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:41,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:41,785 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;@2a6c3b44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:41,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 95 states have internal predecessors, (131), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:28:41,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:41,812 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:41,813 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:41,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash 440239672, now seen corresponding path program 1 times [2024-11-02 12:28:41,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:41,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532202507] [2024-11-02 12:28:41,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:41,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:41,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:41,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:41,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-02 12:28:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:42,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:28:42,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2024-11-02 12:28:42,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:42,565 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:42,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532202507] [2024-11-02 12:28:42,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532202507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:42,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:42,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:28:42,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083083437] [2024-11-02 12:28:42,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:42,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:28:42,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:42,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:28:42,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:42,613 INFO L87 Difference]: Start difference. First operand has 118 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 95 states have internal predecessors, (131), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:42,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:42,658 INFO L93 Difference]: Finished difference Result 229 states and 361 transitions. [2024-11-02 12:28:42,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:28:42,662 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-02 12:28:42,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:42,672 INFO L225 Difference]: With dead ends: 229 [2024-11-02 12:28:42,672 INFO L226 Difference]: Without dead ends: 114 [2024-11-02 12:28:42,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:42,682 INFO L432 NwaCegarLoop]: 164 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, 164 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:42,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:28:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-02 12:28:42,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-02 12:28:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 164 transitions. [2024-11-02 12:28:42,744 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 164 transitions. Word has length 168 [2024-11-02 12:28:42,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:42,744 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 164 transitions. [2024-11-02 12:28:42,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 164 transitions. [2024-11-02 12:28:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:28:42,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:42,754 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:42,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:28:42,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:42,955 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:42,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:42,956 INFO L85 PathProgramCache]: Analyzing trace with hash -895858850, now seen corresponding path program 1 times [2024-11-02 12:28:42,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:42,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832156986] [2024-11-02 12:28:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:42,959 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:42,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:42,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:42,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-02 12:28:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:43,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-02 12:28:43,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-02 12:28:43,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:43,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:43,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832156986] [2024-11-02 12:28:43,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832156986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:43,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:43,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:28:43,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281017379] [2024-11-02 12:28:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:43,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-02 12:28:43,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:43,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-02 12:28:43,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:43,677 INFO L87 Difference]: Start difference. First operand 114 states and 164 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:43,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:43,790 INFO L93 Difference]: Finished difference Result 227 states and 328 transitions. [2024-11-02 12:28:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-02 12:28:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-02 12:28:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:43,794 INFO L225 Difference]: With dead ends: 227 [2024-11-02 12:28:43,794 INFO L226 Difference]: Without dead ends: 116 [2024-11-02 12:28:43,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-02 12:28:43,797 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:43,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 475 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:43,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-02 12:28:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-02 12:28:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2024-11-02 12:28:43,830 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 168 [2024-11-02 12:28:43,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:43,836 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2024-11-02 12:28:43,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2024-11-02 12:28:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:28:43,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:43,843 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:43,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-02 12:28:44,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:44,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:44,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:44,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1470176220, now seen corresponding path program 1 times [2024-11-02 12:28:44,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:44,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220334581] [2024-11-02 12:28:44,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:44,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:44,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:44,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:44,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:28:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:44,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:28:44,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-02 12:28:44,618 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:44,619 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:44,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220334581] [2024-11-02 12:28:44,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220334581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:44,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:44,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:28:44,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254489306] [2024-11-02 12:28:44,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:44,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:28:44,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:44,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:28:44,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:28:44,623 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 12:28:44,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:44,714 INFO L93 Difference]: Finished difference Result 234 states and 336 transitions. [2024-11-02 12:28:44,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:28:44,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-11-02 12:28:44,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:44,717 INFO L225 Difference]: With dead ends: 234 [2024-11-02 12:28:44,718 INFO L226 Difference]: Without dead ends: 121 [2024-11-02 12:28:44,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:28:44,720 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 1 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:44,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 620 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-02 12:28:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 120. [2024-11-02 12:28:44,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 97 states have internal predecessors, (128), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:44,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 170 transitions. [2024-11-02 12:28:44,735 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 170 transitions. Word has length 168 [2024-11-02 12:28:44,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:44,736 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 170 transitions. [2024-11-02 12:28:44,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 12:28:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2024-11-02 12:28:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:28:44,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:44,740 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:44,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:28:44,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:44,942 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:44,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:44,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2144732706, now seen corresponding path program 1 times [2024-11-02 12:28:44,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:44,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419288945] [2024-11-02 12:28:44,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:44,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:44,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:44,947 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:44,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-02 12:28:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:45,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:28:45,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-02 12:28:45,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:45,588 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:45,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419288945] [2024-11-02 12:28:45,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419288945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:45,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:45,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:28:45,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963705044] [2024-11-02 12:28:45,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:45,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:28:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:45,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:28:45,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:45,597 INFO L87 Difference]: Start difference. First operand 120 states and 170 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 12:28:45,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:45,727 INFO L93 Difference]: Finished difference Result 240 states and 341 transitions. [2024-11-02 12:28:45,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:28:45,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-11-02 12:28:45,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:45,730 INFO L225 Difference]: With dead ends: 240 [2024-11-02 12:28:45,731 INFO L226 Difference]: Without dead ends: 123 [2024-11-02 12:28:45,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:45,737 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 1 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:45,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 765 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:45,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-02 12:28:45,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 122. [2024-11-02 12:28:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 172 transitions. [2024-11-02 12:28:45,755 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 172 transitions. Word has length 168 [2024-11-02 12:28:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:45,757 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 172 transitions. [2024-11-02 12:28:45,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 12:28:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 172 transitions. [2024-11-02 12:28:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:28:45,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:45,762 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:45,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-02 12:28:45,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:45,967 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:45,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:45,968 INFO L85 PathProgramCache]: Analyzing trace with hash -369725344, now seen corresponding path program 1 times [2024-11-02 12:28:45,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:45,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575086279] [2024-11-02 12:28:45,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:45,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:45,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:45,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:45,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-02 12:28:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:46,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:28:46,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-02 12:28:46,597 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:46,598 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:46,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575086279] [2024-11-02 12:28:46,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575086279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:46,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:46,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-02 12:28:46,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227724918] [2024-11-02 12:28:46,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:46,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-02 12:28:46,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:46,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-02 12:28:46,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:28:46,602 INFO L87 Difference]: Start difference. First operand 122 states and 172 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 12:28:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:46,739 INFO L93 Difference]: Finished difference Result 244 states and 345 transitions. [2024-11-02 12:28:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:28:46,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 168 [2024-11-02 12:28:46,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:46,743 INFO L225 Difference]: With dead ends: 244 [2024-11-02 12:28:46,743 INFO L226 Difference]: Without dead ends: 125 [2024-11-02 12:28:46,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:28:46,745 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:46,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 911 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 12:28:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-02 12:28:46,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-11-02 12:28:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.306930693069307) internal successors, (132), 101 states have internal predecessors, (132), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 174 transitions. [2024-11-02 12:28:46,759 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 174 transitions. Word has length 168 [2024-11-02 12:28:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:46,760 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 174 transitions. [2024-11-02 12:28:46,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-11-02 12:28:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 174 transitions. [2024-11-02 12:28:46,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-02 12:28:46,764 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:46,764 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:46,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-02 12:28:46,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:46,965 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:46,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:46,966 INFO L85 PathProgramCache]: Analyzing trace with hash -367878302, now seen corresponding path program 1 times [2024-11-02 12:28:46,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:46,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552795668] [2024-11-02 12:28:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:46,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:46,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:46,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:46,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-02 12:28:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:47,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:28:47,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:47,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-02 12:28:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2024-11-02 12:28:47,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:47,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:47,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552795668] [2024-11-02 12:28:47,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [552795668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:47,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:47,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:28:47,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436528947] [2024-11-02 12:28:47,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:47,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:28:47,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:47,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:28:47,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:47,664 INFO L87 Difference]: Start difference. First operand 124 states and 174 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:49,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:49,897 INFO L93 Difference]: Finished difference Result 246 states and 346 transitions. [2024-11-02 12:28:49,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:28:49,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 168 [2024-11-02 12:28:49,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:49,900 INFO L225 Difference]: With dead ends: 246 [2024-11-02 12:28:49,901 INFO L226 Difference]: Without dead ends: 125 [2024-11-02 12:28:49,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:28:49,902 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 144 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:49,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 461 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-02 12:28:49,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-02 12:28:49,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-11-02 12:28:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.297029702970297) internal successors, (131), 101 states have internal predecessors, (131), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 173 transitions. [2024-11-02 12:28:49,915 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 173 transitions. Word has length 168 [2024-11-02 12:28:49,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:49,915 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 173 transitions. [2024-11-02 12:28:49,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 173 transitions. [2024-11-02 12:28:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-02 12:28:49,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:49,919 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:49,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-02 12:28:50,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:50,120 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:50,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:50,120 INFO L85 PathProgramCache]: Analyzing trace with hash 444350748, now seen corresponding path program 1 times [2024-11-02 12:28:50,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:50,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1680860924] [2024-11-02 12:28:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:50,121 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:50,122 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:50,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-02 12:28:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:50,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-02 12:28:50,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:50,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-02 12:28:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-02 12:28:50,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:50,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:50,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1680860924] [2024-11-02 12:28:50,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1680860924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:50,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:50,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-02 12:28:50,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467769038] [2024-11-02 12:28:50,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:50,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:28:50,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:50,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:28:50,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:50,817 INFO L87 Difference]: Start difference. First operand 124 states and 173 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:52,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:52,473 INFO L93 Difference]: Finished difference Result 246 states and 344 transitions. [2024-11-02 12:28:52,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:28:52,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 170 [2024-11-02 12:28:52,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:52,477 INFO L225 Difference]: With dead ends: 246 [2024-11-02 12:28:52,477 INFO L226 Difference]: Without dead ends: 125 [2024-11-02 12:28:52,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-02 12:28:52,479 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 135 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:52,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 459 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-02 12:28:52,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-02 12:28:52,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 124. [2024-11-02 12:28:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.2871287128712872) internal successors, (130), 101 states have internal predecessors, (130), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:52,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 172 transitions. [2024-11-02 12:28:52,491 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 172 transitions. Word has length 170 [2024-11-02 12:28:52,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:52,492 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 172 transitions. [2024-11-02 12:28:52,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-02 12:28:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 172 transitions. [2024-11-02 12:28:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-02 12:28:52,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:52,496 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:52,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-02 12:28:52,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:52,697 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:52,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:52,698 INFO L85 PathProgramCache]: Analyzing trace with hash -350936928, now seen corresponding path program 1 times [2024-11-02 12:28:52,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:52,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669536133] [2024-11-02 12:28:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:52,699 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:52,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:52,703 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:52,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-02 12:28:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:53,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:28:53,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-02 12:28:53,245 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:53,246 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:53,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669536133] [2024-11-02 12:28:53,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669536133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:53,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:53,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-02 12:28:53,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325805040] [2024-11-02 12:28:53,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:53,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 12:28:53,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:53,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 12:28:53,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-02 12:28:53,253 INFO L87 Difference]: Start difference. First operand 124 states and 172 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-02 12:28:53,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:53,618 INFO L93 Difference]: Finished difference Result 249 states and 346 transitions. [2024-11-02 12:28:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-02 12:28:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 172 [2024-11-02 12:28:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:53,621 INFO L225 Difference]: With dead ends: 249 [2024-11-02 12:28:53,621 INFO L226 Difference]: Without dead ends: 126 [2024-11-02 12:28:53,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:28:53,623 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:28:53,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 636 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-02 12:28:53,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-02 12:28:53,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2024-11-02 12:28:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 101 states have (on average 1.2772277227722773) internal successors, (129), 101 states have internal predecessors, (129), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-02 12:28:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 171 transitions. [2024-11-02 12:28:53,645 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 171 transitions. Word has length 172 [2024-11-02 12:28:53,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:53,645 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 171 transitions. [2024-11-02 12:28:53,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-02 12:28:53,646 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 171 transitions. [2024-11-02 12:28:53,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-02 12:28:53,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:53,648 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:53,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-02 12:28:53,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:53,849 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:53,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:53,850 INFO L85 PathProgramCache]: Analyzing trace with hash -639756318, now seen corresponding path program 1 times [2024-11-02 12:28:53,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:53,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896336133] [2024-11-02 12:28:53,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:53,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-02 12:28:53,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:53,852 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-02 12:28:53,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b54d20be-cbaf-48f8-ab2e-89a3a2a0e05a/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-02 12:28:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:54,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-02 12:28:54,470 INFO L278 TraceCheckSpWp]: Computing forward predicates...