./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh --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 c08a3d5297bbbcb5881c67d5d83d8ac90b7c708d5d59dacfddb9a4d6bdd83c53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:51:37,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:51:37,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:51:37,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:51:37,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:51:37,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:51:37,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:51:37,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:51:37,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:51:37,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:51:37,657 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:51:37,658 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:51:37,658 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:51:37,658 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:51:37,659 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:51:37,659 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:51:37,660 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:51:37,660 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:51:37,661 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:51:37,661 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:51:37,662 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:51:37,662 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:51:37,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:51:37,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:51:37,664 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:51:37,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:51:37,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:51:37,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:51:37,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:51:37,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:51:37,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:51:37,666 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:51:37,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:51:37,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:51:37,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:51:37,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:51:37,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:51:37,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:51:37,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:51:37,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:51:37,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:51:37,668 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:51:37,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:51:37,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:51:37,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:51:37,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:51:37,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:51:37,669 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_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c08a3d5297bbbcb5881c67d5d83d8ac90b7c708d5d59dacfddb9a4d6bdd83c53 [2023-12-02 13:51:37,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:51:37,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:51:37,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:51:37,947 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:51:37,948 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:51:37,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i [2023-12-02 13:51:40,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:51:40,860 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:51:40,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i [2023-12-02 13:51:40,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data/e0cf81b4c/1ec1ca3a9a7b49c082d5081397de223e/FLAG3ba38244b [2023-12-02 13:51:40,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data/e0cf81b4c/1ec1ca3a9a7b49c082d5081397de223e [2023-12-02 13:51:40,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:51:40,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:51:40,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:51:40,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:51:40,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:51:40,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:51:40" (1/1) ... [2023-12-02 13:51:40,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1831499a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:40, skipping insertion in model container [2023-12-02 13:51:40,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:51:40" (1/1) ... [2023-12-02 13:51:40,929 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:51:41,075 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i[916,929] [2023-12-02 13:51:41,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:51:41,142 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:51:41,155 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i[916,929] [2023-12-02 13:51:41,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:51:41,212 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:51:41,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41 WrapperNode [2023-12-02 13:51:41,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:51:41,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:51:41,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:51:41,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:51:41,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,274 INFO L138 Inliner]: procedures = 29, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 430 [2023-12-02 13:51:41,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:51:41,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:51:41,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:51:41,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:51:41,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:51:41,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:51:41,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:51:41,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:51:41,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (1/1) ... [2023-12-02 13:51:41,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:51:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:51:41,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:51:41,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:51:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:51:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:51:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 13:51:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 13:51:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:51:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 13:51:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:51:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:51:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:51:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:51:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:51:41,513 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:51:41,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:51:41,926 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:51:42,504 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:51:42,504 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:51:42,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:42 BoogieIcfgContainer [2023-12-02 13:51:42,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:51:42,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:51:42,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:51:42,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:51:42,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:51:40" (1/3) ... [2023-12-02 13:51:42,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa39a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:51:42, skipping insertion in model container [2023-12-02 13:51:42,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:41" (2/3) ... [2023-12-02 13:51:42,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa39a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:51:42, skipping insertion in model container [2023-12-02 13:51:42,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:42" (3/3) ... [2023-12-02 13:51:42,514 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-7.i [2023-12-02 13:51:42,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:51:42,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:51:42,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:51:42,586 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1ea06ca5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:51:42,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:51:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 13:51:42,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 13:51:42,599 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:42,600 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:42,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:51:42,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:42,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1259294416, now seen corresponding path program 1 times [2023-12-02 13:51:42,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:51:42,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317798788] [2023-12-02 13:51:42,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:42,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:51:42,837 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:51:42,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1920539652] [2023-12-02 13:51:42,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:42,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:51:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:51:42,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:51:42,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:51:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:51:43,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:51:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:51:43,975 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:51:43,977 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:51:43,978 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:51:43,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:51:44,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:51:44,185 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:51:44,188 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:51:44,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-12-02 13:51:44,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 13:51:44,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 13:51:44,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-12-02 13:51:44,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 13:51:44,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 13:51:44,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-12-02 13:51:44,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-12-02 13:51:44,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 13:51:44,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 13:51:44,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 13:51:44,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 13:51:44,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-12-02 13:51:44,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-12-02 13:51:44,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 13:51:44,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:51:44,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 13:51:44,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-12-02 13:51:44,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 13:51:44,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 13:51:44,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 13:51:44,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-12-02 13:51:44,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 13:51:44,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 13:51:44,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-12-02 13:51:44,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:51:44,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 13:51:44,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 13:51:44,250 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 13:51:44,251 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 13:51:44,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:51:44,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:51:44,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 13:51:44,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 13:51:44,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 13:51:44,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 13:51:44,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 13:51:44,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 13:51:44,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 13:51:44,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 13:51:44,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:51:44,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:51:44,262 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 13:51:44,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 13:51:44,263 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 13:51:44,264 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 13:51:44,265 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:51:44,265 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:51:44,265 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 13:51:44,265 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-12-02 13:51:44,266 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-12-02 13:51:44,266 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 13:51:44,266 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 13:51:44,267 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 13:51:44,267 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-12-02 13:51:44,267 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-12-02 13:51:44,267 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-12-02 13:51:44,268 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:51:44,268 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 13:51:44,268 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:51:44,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:51:44 BoogieIcfgContainer [2023-12-02 13:51:44,287 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:51:44,288 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:51:44,288 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:51:44,288 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:51:44,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:42" (3/4) ... [2023-12-02 13:51:44,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:51:44,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:51:44,292 INFO L158 Benchmark]: Toolchain (without parser) took 3402.40ms. Allocated memory is still 161.5MB. Free memory was 122.6MB in the beginning and 63.2MB in the end (delta: 59.4MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2023-12-02 13:51:44,292 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:51:44,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.40ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 107.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 13:51:44,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.45ms. Allocated memory is still 161.5MB. Free memory was 107.9MB in the beginning and 103.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:51:44,294 INFO L158 Benchmark]: Boogie Preprocessor took 50.90ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 100.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:51:44,295 INFO L158 Benchmark]: RCFGBuilder took 1179.46ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 67.3MB in the end (delta: 33.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2023-12-02 13:51:44,295 INFO L158 Benchmark]: TraceAbstraction took 1779.35ms. Allocated memory is still 161.5MB. Free memory was 66.9MB in the beginning and 63.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-12-02 13:51:44,296 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 161.5MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:51:44,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.40ms. Allocated memory is still 161.5MB. Free memory was 121.9MB in the beginning and 107.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.45ms. Allocated memory is still 161.5MB. Free memory was 107.9MB in the beginning and 103.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.90ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 100.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1179.46ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 67.3MB in the end (delta: 33.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1779.35ms. Allocated memory is still 161.5MB. Free memory was 66.9MB in the beginning and 63.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 161.5MB. Free memory is still 63.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 1, 8.2, 100000000000.4, 4, 0.2, 0, 32, 1, 127.5, 5 }; [L47] unsigned char* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L48] float* WrapperStruct00_var_1_3_Pointer = &(WrapperStruct00.var_1_3); [L49] float* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L50] unsigned char* WrapperStruct00_var_1_6_Pointer = &(WrapperStruct00.var_1_6); [L51] double* WrapperStruct00_var_1_7_Pointer = &(WrapperStruct00.var_1_7); [L52] unsigned char* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L53] unsigned short int* WrapperStruct00_var_1_9_Pointer = &(WrapperStruct00.var_1_9); [L54] unsigned char* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L55] double* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L56] unsigned long int* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L57] double last_1_WrapperStruct00_var_1_7 = 0.2; [L58] unsigned long int last_1_WrapperStruct00_var_1_12 = 5; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L114] EXPR WrapperStruct00.var_1_7 [L114] last_1_WrapperStruct00_var_1_7 = WrapperStruct00.var_1_7 [L115] EXPR WrapperStruct00.var_1_12 [L115] last_1_WrapperStruct00_var_1_12 = WrapperStruct00.var_1_12 [L125] RET updateLastVariables() [L126] CALL updateVariables() [L93] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L94] EXPR WrapperStruct00.var_1_3 [L94] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L94] EXPR WrapperStruct00.var_1_3 [L94] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L94] EXPR (WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L94] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L95] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_4 [L96] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_4 [L96] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L96] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L97] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L98] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L99] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L100] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L101] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L102] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L103] WrapperStruct00.var_1_9 = __VERIFIER_nondet_ushort() [L104] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L105] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 65535) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 65535) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L106] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_9 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L107] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L109] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L110] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L111] EXPR WrapperStruct00.var_1_11 [L111] EXPR WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_11 [L111] EXPR WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L126] RET updateVariables() [L127] CALL step() [L62] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L62] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L62] COND FALSE !(! (last_1_WrapperStruct00_var_1_7 <= ((*(WrapperStruct00_var_1_3_Pointer)) - (*(WrapperStruct00_var_1_4_Pointer))))) [L69] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L69] (*(WrapperStruct00_var_1_1_Pointer)) = (*(WrapperStruct00_var_1_6_Pointer)) [L71] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L71] (*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer))) [L71] COND TRUE (*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer))) [L72] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L72] (*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer)) [L72] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L72] (*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer)) [L72] COND TRUE (*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer)) [L73] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L73] (*(WrapperStruct00_var_1_7_Pointer)) = (*(WrapperStruct00_var_1_11_Pointer)) [L80] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L80] COND TRUE (*(WrapperStruct00_var_1_8_Pointer)) [L81] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L81] (*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_4_Pointer)) <= (*(WrapperStruct00_var_1_7_Pointer))) [L81] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L81] (*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_4_Pointer)) <= (*(WrapperStruct00_var_1_7_Pointer))) [L81] COND TRUE (*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_4_Pointer)) <= (*(WrapperStruct00_var_1_7_Pointer))) [L82] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L82] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L82] EXPR (((*(WrapperStruct00_var_1_4_Pointer))) > ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))) [L82] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L82] EXPR (((*(WrapperStruct00_var_1_4_Pointer))) > ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))) [L82] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L82] COND FALSE !((((((*(WrapperStruct00_var_1_4_Pointer))) > ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))) > (*(WrapperStruct00_var_1_7_Pointer))) [L85] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L85] (*(WrapperStruct00_var_1_12_Pointer)) = (*(WrapperStruct00_var_1_6_Pointer)) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L118] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L118] EXPR (! (last_1_WrapperStruct00_var_1_7 <= ((*(WrapperStruct00_var_1_3_Pointer)) - (*(WrapperStruct00_var_1_4_Pointer))))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) [L118] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L118] EXPR \read(*WrapperStruct00_var_1_6_Pointer) [L118] EXPR (! (last_1_WrapperStruct00_var_1_7 <= ((*(WrapperStruct00_var_1_3_Pointer)) - (*(WrapperStruct00_var_1_4_Pointer))))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) [L118] EXPR ((! (last_1_WrapperStruct00_var_1_7 <= ((*(WrapperStruct00_var_1_3_Pointer)) - (*(WrapperStruct00_var_1_4_Pointer))))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) && (((*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) [L118] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L118] EXPR (*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer))) [L118] EXPR ((*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) [L118] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L118] EXPR (*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer)) [L118] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L118] EXPR (*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer)) [L118] EXPR ((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) [L118] EXPR \read(*WrapperStruct00_var_1_7_Pointer) [L118] EXPR \read(*WrapperStruct00_var_1_11_Pointer) [L118] EXPR ((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) [L118] EXPR ((*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) [L118] EXPR ((! (last_1_WrapperStruct00_var_1_7 <= ((*(WrapperStruct00_var_1_3_Pointer)) - (*(WrapperStruct00_var_1_4_Pointer))))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) && (((*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) [L118] EXPR (((! (last_1_WrapperStruct00_var_1_7 <= ((*(WrapperStruct00_var_1_3_Pointer)) - (*(WrapperStruct00_var_1_4_Pointer))))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) && (((*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))))) && ((*(WrapperStruct00_var_1_8_Pointer)) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_4_Pointer)) <= (*(WrapperStruct00_var_1_7_Pointer)))) ? (((((((*(WrapperStruct00_var_1_4_Pointer))) > ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))) > (*(WrapperStruct00_var_1_7_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned long int) ((((((3725801564u - (*(WrapperStruct00_var_1_6_Pointer))) - (*(WrapperStruct00_var_1_1_Pointer)))) > ((*(WrapperStruct00_var_1_9_Pointer)))) ? (((3725801564u - (*(WrapperStruct00_var_1_6_Pointer))) - (*(WrapperStruct00_var_1_1_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer))))))) : ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_6_Pointer))))) : 1) : ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_6_Pointer))))) [L118-L119] return (((! (last_1_WrapperStruct00_var_1_7 <= ((*(WrapperStruct00_var_1_3_Pointer)) - (*(WrapperStruct00_var_1_4_Pointer))))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned char) (*(WrapperStruct00_var_1_6_Pointer))))) && (((*(WrapperStruct00_var_1_8_Pointer)) || (((*(WrapperStruct00_var_1_6_Pointer)) / (*(WrapperStruct00_var_1_9_Pointer))) >= (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_8_Pointer)) && (*(WrapperStruct00_var_1_10_Pointer))) ? ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_7_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer)))))) && ((*(WrapperStruct00_var_1_8_Pointer)) ? (((*(WrapperStruct00_var_1_10_Pointer)) && ((*(WrapperStruct00_var_1_4_Pointer)) <= (*(WrapperStruct00_var_1_7_Pointer)))) ? (((((((*(WrapperStruct00_var_1_4_Pointer))) > ((*(WrapperStruct00_var_1_11_Pointer)))) ? ((*(WrapperStruct00_var_1_4_Pointer))) : ((*(WrapperStruct00_var_1_11_Pointer))))) > (*(WrapperStruct00_var_1_7_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned long int) ((((((3725801564u - (*(WrapperStruct00_var_1_6_Pointer))) - (*(WrapperStruct00_var_1_1_Pointer)))) > ((*(WrapperStruct00_var_1_9_Pointer)))) ? (((3725801564u - (*(WrapperStruct00_var_1_6_Pointer))) - (*(WrapperStruct00_var_1_1_Pointer)))) : ((*(WrapperStruct00_var_1_9_Pointer))))))) : ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_6_Pointer))))) : 1) : ((*(WrapperStruct00_var_1_12_Pointer)) == ((unsigned long int) (*(WrapperStruct00_var_1_6_Pointer))))) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:21}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_3_Pointer={4:1}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_6_Pointer={4:9}, WrapperStruct00_var_1_7_Pointer={4:10}, WrapperStruct00_var_1_8_Pointer={4:18}, WrapperStruct00_var_1_9_Pointer={4:19}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:51:44,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh --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 c08a3d5297bbbcb5881c67d5d83d8ac90b7c708d5d59dacfddb9a4d6bdd83c53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:51:46,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:51:46,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:51:46,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:51:46,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:51:46,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:51:46,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:51:46,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:51:46,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:51:46,382 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:51:46,383 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:51:46,383 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:51:46,384 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:51:46,384 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:51:46,385 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:51:46,385 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:51:46,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:51:46,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:51:46,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:51:46,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:51:46,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:51:46,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:51:46,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:51:46,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:51:46,390 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:51:46,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:51:46,391 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:51:46,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:51:46,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:51:46,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:51:46,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:51:46,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:51:46,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:51:46,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:51:46,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:51:46,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:51:46,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:51:46,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:51:46,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:51:46,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:51:46,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:51:46,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:51:46,396 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:51:46,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:51:46,397 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_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c08a3d5297bbbcb5881c67d5d83d8ac90b7c708d5d59dacfddb9a4d6bdd83c53 [2023-12-02 13:51:46,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:51:46,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:51:46,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:51:46,701 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:51:46,701 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:51:46,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i [2023-12-02 13:51:49,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:51:49,699 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:51:49,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i [2023-12-02 13:51:49,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data/242def3da/d528e18fc66c4a6b9dbb8cfef687cd24/FLAG6dc6a2781 [2023-12-02 13:51:49,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/data/242def3da/d528e18fc66c4a6b9dbb8cfef687cd24 [2023-12-02 13:51:49,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:51:49,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:51:49,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:51:49,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:51:49,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:51:49,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:51:49" (1/1) ... [2023-12-02 13:51:49,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507386ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:49, skipping insertion in model container [2023-12-02 13:51:49,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:51:49" (1/1) ... [2023-12-02 13:51:49,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:51:49,919 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i[916,929] [2023-12-02 13:51:49,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:51:49,992 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:51:50,005 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-7.i[916,929] [2023-12-02 13:51:50,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:51:50,062 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:51:50,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50 WrapperNode [2023-12-02 13:51:50,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:51:50,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:51:50,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:51:50,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:51:50,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,124 INFO L138 Inliner]: procedures = 39, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 430 [2023-12-02 13:51:50,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:51:50,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:51:50,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:51:50,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:51:50,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:51:50,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:51:50,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:51:50,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:51:50,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (1/1) ... [2023-12-02 13:51:50,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:51:50,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:51:50,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:51:50,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:51:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:51:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 13:51:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 13:51:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 13:51:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 13:51:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:51:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 13:51:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 13:51:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 13:51:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 13:51:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 13:51:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 13:51:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 13:51:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:51:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:51:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:51:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:51:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 13:51:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 13:51:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 13:51:50,400 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:51:50,403 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:51:52,542 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:51:52,589 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:51:52,589 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:51:52,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:52 BoogieIcfgContainer [2023-12-02 13:51:52,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:51:52,593 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:51:52,593 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:51:52,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:51:52,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:51:49" (1/3) ... [2023-12-02 13:51:52,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19da1a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:51:52, skipping insertion in model container [2023-12-02 13:51:52,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:51:50" (2/3) ... [2023-12-02 13:51:52,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19da1a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:51:52, skipping insertion in model container [2023-12-02 13:51:52,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:51:52" (3/3) ... [2023-12-02 13:51:52,599 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-7.i [2023-12-02 13:51:52,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:51:52,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:51:52,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:51:52,674 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@14c2e180, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:51:52,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:51:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 78 states have (on average 1.5128205128205128) internal successors, (118), 79 states have internal predecessors, (118), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 13:51:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:51:52,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:52,692 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:52,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:51:52,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:52,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1198767643, now seen corresponding path program 1 times [2023-12-02 13:51:52,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:51:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651994323] [2023-12-02 13:51:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:52,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:51:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:51:52,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:51:52,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 13:51:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:53,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:51:53,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:51:53,192 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-12-02 13:51:53,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:51:53,193 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:51:53,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651994323] [2023-12-02 13:51:53,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651994323] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:53,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:53,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:51:53,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851006413] [2023-12-02 13:51:53,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:53,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:51:53,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:51:53,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:51:53,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:51:53,230 INFO L87 Difference]: Start difference. First operand has 93 states, 78 states have (on average 1.5128205128205128) internal successors, (118), 79 states have internal predecessors, (118), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 13:51:53,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:53,282 INFO L93 Difference]: Finished difference Result 183 states and 294 transitions. [2023-12-02 13:51:53,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:51:53,285 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-12-02 13:51:53,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:53,292 INFO L225 Difference]: With dead ends: 183 [2023-12-02 13:51:53,292 INFO L226 Difference]: Without dead ends: 91 [2023-12-02 13:51:53,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:51:53,298 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:53,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 13:51:53,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-02 13:51:53,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-12-02 13:51:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 13:51:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-12-02 13:51:53,340 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 98 [2023-12-02 13:51:53,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:53,341 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-12-02 13:51:53,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 13:51:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-12-02 13:51:53,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:51:53,346 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:53,346 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:53,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:51:53,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:51:53,547 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:51:53,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:53,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1312194037, now seen corresponding path program 1 times [2023-12-02 13:51:53,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:51:53,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384304632] [2023-12-02 13:51:53,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:53,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:51:53,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:51:53,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:51:53,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 13:51:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:53,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:51:53,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:51:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-02 13:51:53,953 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:51:53,954 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:51:53,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384304632] [2023-12-02 13:51:53,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384304632] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:53,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:53,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:51:53,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207417552] [2023-12-02 13:51:53,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:53,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:51:53,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:51:53,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:51:53,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:51:53,958 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-02 13:51:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:54,030 INFO L93 Difference]: Finished difference Result 182 states and 267 transitions. [2023-12-02 13:51:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:51:54,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-12-02 13:51:54,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:54,033 INFO L225 Difference]: With dead ends: 182 [2023-12-02 13:51:54,033 INFO L226 Difference]: Without dead ends: 92 [2023-12-02 13:51:54,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:51:54,035 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:54,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:51:54,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-02 13:51:54,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-12-02 13:51:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 78 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 13:51:54,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 134 transitions. [2023-12-02 13:51:54,049 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 134 transitions. Word has length 98 [2023-12-02 13:51:54,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:54,051 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 134 transitions. [2023-12-02 13:51:54,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-02 13:51:54,052 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 134 transitions. [2023-12-02 13:51:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:51:54,054 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:54,054 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:54,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:51:54,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:51:54,256 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:51:54,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:54,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1899000051, now seen corresponding path program 1 times [2023-12-02 13:51:54,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:51:54,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834692658] [2023-12-02 13:51:54,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:54,259 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:51:54,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:51:54,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:51:54,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:51:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:54,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:51:54,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:51:54,762 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 [2023-12-02 13:51:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-12-02 13:51:54,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:51:54,800 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:51:54,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834692658] [2023-12-02 13:51:54,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834692658] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:54,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:54,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:51:54,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73866979] [2023-12-02 13:51:54,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:54,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:51:54,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:51:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:51:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:51:54,804 INFO L87 Difference]: Start difference. First operand 92 states and 134 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-02 13:51:57,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:51:57,738 INFO L93 Difference]: Finished difference Result 189 states and 276 transitions. [2023-12-02 13:51:57,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:51:57,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-12-02 13:51:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:51:57,740 INFO L225 Difference]: With dead ends: 189 [2023-12-02 13:51:57,741 INFO L226 Difference]: Without dead ends: 98 [2023-12-02 13:51:57,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:51:57,743 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 145 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:51:57,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 351 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 13:51:57,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-02 13:51:57,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2023-12-02 13:51:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 13:51:57,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2023-12-02 13:51:57,756 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 98 [2023-12-02 13:51:57,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:51:57,756 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2023-12-02 13:51:57,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-12-02 13:51:57,757 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2023-12-02 13:51:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 13:51:57,759 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:51:57,759 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:51:57,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:51:57,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:51:57,960 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:51:57,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:51:57,961 INFO L85 PathProgramCache]: Analyzing trace with hash 503507911, now seen corresponding path program 1 times [2023-12-02 13:51:57,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:51:57,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222794788] [2023-12-02 13:51:57,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:51:57,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:51:57,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:51:57,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:51:57,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:51:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:51:58,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 13:51:58,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:51:58,415 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 [2023-12-02 13:51:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 13:51:58,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:51:58,452 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:51:58,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222794788] [2023-12-02 13:51:58,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222794788] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:51:58,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:51:58,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:51:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898427425] [2023-12-02 13:51:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:51:58,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:51:58,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:51:58,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:51:58,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:51:58,456 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 13:52:01,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:52:01,035 INFO L93 Difference]: Finished difference Result 189 states and 274 transitions. [2023-12-02 13:52:01,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:52:01,036 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2023-12-02 13:52:01,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:52:01,037 INFO L225 Difference]: With dead ends: 189 [2023-12-02 13:52:01,037 INFO L226 Difference]: Without dead ends: 98 [2023-12-02 13:52:01,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 13:52:01,039 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 131 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:52:01,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 347 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 13:52:01,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-02 13:52:01,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2023-12-02 13:52:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 78 states have internal predecessors, (108), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 13:52:01,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 132 transitions. [2023-12-02 13:52:01,051 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 132 transitions. Word has length 100 [2023-12-02 13:52:01,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:52:01,051 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 132 transitions. [2023-12-02 13:52:01,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-12-02 13:52:01,051 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 132 transitions. [2023-12-02 13:52:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 13:52:01,053 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:52:01,053 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:52:01,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:52:01,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:52:01,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:52:01,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:52:01,255 INFO L85 PathProgramCache]: Analyzing trace with hash -99255219, now seen corresponding path program 1 times [2023-12-02 13:52:01,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:52:01,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445799524] [2023-12-02 13:52:01,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:01,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:52:01,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:52:01,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:52:01,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:52:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:01,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 13:52:01,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:52:03,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 13:52:03,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 13:52:04,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-02 13:52:05,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 13:52:05,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2023-12-02 13:52:06,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 39 [2023-12-02 13:52:06,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2023-12-02 13:52:08,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 64 [2023-12-02 13:52:10,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:52:10,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 86 treesize of output 46 [2023-12-02 13:52:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 44 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 13:52:10,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:52:12,023 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:52:12,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445799524] [2023-12-02 13:52:12,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445799524] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:52:12,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1025975524] [2023-12-02 13:52:12,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:12,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 13:52:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 13:52:12,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 13:52:12,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 13:52:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:13,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 13:52:14,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:52:14,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 13:52:15,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-02 13:52:16,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2023-12-02 13:52:17,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2023-12-02 13:52:18,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2023-12-02 13:52:18,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 54 [2023-12-02 13:52:23,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 21 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 73 [2023-12-02 13:52:25,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 80 [2023-12-02 13:52:27,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 55 [2023-12-02 13:52:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 192 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 13:52:27,565 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:52:28,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1025975524] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:52:28,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23962674] [2023-12-02 13:52:28,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:52:28,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:52:28,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:52:28,310 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:52:28,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 13:52:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:52:28,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 13:52:28,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:52:29,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 13:52:30,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2023-12-02 13:52:31,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2023-12-02 13:52:32,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2023-12-02 13:52:33,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 53 [2023-12-02 13:52:35,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 65 [2023-12-02 13:52:41,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 77 [2023-12-02 13:52:49,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 80 [2023-12-02 13:52:53,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:52:53,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 99 treesize of output 55 [2023-12-02 13:52:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 150 proven. 86 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 13:52:53,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 13:52:55,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23962674] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 13:52:55,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 13:52:55,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 16] total 31 [2023-12-02 13:52:55,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767674141] [2023-12-02 13:52:55,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 13:52:55,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2023-12-02 13:52:55,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:52:55,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-12-02 13:52:55,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1203, Unknown=15, NotChecked=0, Total=1406 [2023-12-02 13:52:55,253 INFO L87 Difference]: Start difference. First operand 92 states and 132 transitions. Second operand has 32 states, 31 states have (on average 4.645161290322581) internal successors, (144), 30 states have internal predecessors, (144), 16 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 16 states have call predecessors, (34), 16 states have call successors, (34) [2023-12-02 13:52:59,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:06,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:12,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:18,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:28,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:30,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:33,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:35,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:37,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:39,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:47,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:49,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:51,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:53,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:55,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:57,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:53:59,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:01,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:03,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:05,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:07,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:09,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:11,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:13,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:15,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:18,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:20,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:23,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:25,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:27,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:29,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:31,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:33,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:48,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:50,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:52,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:54,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:56,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:54:58,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:00,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:02,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:04,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:06,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:08,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:10,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:12,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:14,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:16,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:18,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:20,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:22,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:24,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:26,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:28,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:30,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:32,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:34,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:36,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:38,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:40,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:42,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:44,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:46,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:50,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:52,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:54,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:56,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:55:58,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:00,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:02,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:04,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:06,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:08,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:10,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:13,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 13:56:20,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:56:20,956 INFO L93 Difference]: Finished difference Result 236 states and 330 transitions. [2023-12-02 13:56:20,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-02 13:56:20,957 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.645161290322581) internal successors, (144), 30 states have internal predecessors, (144), 16 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 16 states have call predecessors, (34), 16 states have call successors, (34) Word has length 102 [2023-12-02 13:56:20,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:56:20,958 INFO L225 Difference]: With dead ends: 236 [2023-12-02 13:56:20,959 INFO L226 Difference]: Without dead ends: 145 [2023-12-02 13:56:20,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 314 SyntacticMatches, 4 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 888 ImplicationChecksByTransitivity, 81.1s TimeCoverageRelationStatistics Valid=691, Invalid=2466, Unknown=35, NotChecked=0, Total=3192 [2023-12-02 13:56:20,961 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 1438 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 304 mSolverCounterUnsat, 75 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 75 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 161.5s IncrementalHoareTripleChecker+Time [2023-12-02 13:56:20,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 458 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 993 Invalid, 75 Unknown, 0 Unchecked, 161.5s Time] [2023-12-02 13:56:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-02 13:56:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 120. [2023-12-02 13:56:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.3366336633663367) internal successors, (135), 102 states have internal predecessors, (135), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 13:56:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 163 transitions. [2023-12-02 13:56:20,979 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 163 transitions. Word has length 102 [2023-12-02 13:56:20,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:56:20,979 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 163 transitions. [2023-12-02 13:56:20,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.645161290322581) internal successors, (144), 30 states have internal predecessors, (144), 16 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 16 states have call predecessors, (34), 16 states have call successors, (34) [2023-12-02 13:56:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 163 transitions. [2023-12-02 13:56:20,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 13:56:20,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:56:20,981 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:56:20,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:56:21,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 13:56:21,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 13:56:21,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:56:21,582 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:56:21,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:56:21,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1576509236, now seen corresponding path program 1 times [2023-12-02 13:56:21,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:56:21,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268429002] [2023-12-02 13:56:21,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:56:21,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 13:56:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:56:21,584 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 13:56:21,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:56:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:56:25,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 65 conjunts are in the unsatisfiable core [2023-12-02 13:56:25,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:56:25,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 38 [2023-12-02 13:56:28,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 70 [2023-12-02 13:56:32,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 107 [2023-12-02 13:56:34,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 118 [2023-12-02 13:56:37,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 103 [2023-12-02 13:56:40,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 111 [2023-12-02 13:56:42,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 114 [2023-12-02 13:56:45,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 134 [2023-12-02 13:57:04,694 WARN L293 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 88 DAG size of output: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:57:18,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 114 [2023-12-02 13:57:36,842 WARN L293 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:57:42,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 112 [2023-12-02 13:58:04,773 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:58:04,834 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:58:04,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 173 treesize of output 81 [2023-12-02 13:58:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 98 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 13:58:14,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:00:39,534 WARN L293 SmtUtils]: Spent 7.07s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:00:46,651 WARN L876 $PredicateComparison]: unable to prove that (or (not (fp.leq c_~last_1_WrapperStruct00_var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.sub c_currentRoundingMode (let ((.cse0 (select (select |c_#memory_int| c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse1 (select (select |c_#memory_int| c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))))) (forall ((v_ArrVal_227 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_65| (_ BitVec 64)) (v_ArrVal_231 (_ BitVec 32))) (fp.leq c_~last_1_WrapperStruct00_var_1_7~0 ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse3 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| c_~WrapperStruct00_var_1_1_Pointer~0.base (store (select |c_#memory_int| c_~WrapperStruct00_var_1_1_Pointer~0.base) c_~WrapperStruct00_var_1_1_Pointer~0.offset v_ArrVal_227)))) (store .cse6 c_~WrapperStruct00_var_1_7_Pointer~0.base (store (store (select .cse6 c_~WrapperStruct00_var_1_7_Pointer~0.base) c_~WrapperStruct00_var_1_7_Pointer~0.offset ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_65|)) (bvadd (_ bv4 32) c_~WrapperStruct00_var_1_7_Pointer~0.offset) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_65|)))))) (store .cse5 c_~WrapperStruct00_var_1_12_Pointer~0.base (store (select .cse5 c_~WrapperStruct00_var_1_12_Pointer~0.base) c_~WrapperStruct00_var_1_12_Pointer~0.offset v_ArrVal_231))))) (fp.sub c_currentRoundingMode (let ((.cse2 (select (select .cse3 c_~WrapperStruct00_var_1_3_Pointer~0.base) c_~WrapperStruct00_var_1_3_Pointer~0.offset))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))) (let ((.cse4 (select (select .cse3 c_~WrapperStruct00_var_1_4_Pointer~0.base) c_~WrapperStruct00_var_1_4_Pointer~0.offset))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))))))) is different from true [2023-12-02 14:00:50,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:00:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268429002] [2023-12-02 14:00:50,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268429002] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:00:50,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [770151166] [2023-12-02 14:00:50,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:00:50,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:00:50,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:00:50,849 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:00:50,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8514204-9ecf-4995-89d0-01ca9d2751b7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 14:00:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:00:58,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 76 conjunts are in the unsatisfiable core [2023-12-02 14:00:58,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:01:03,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 38 [2023-12-02 14:01:57,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 67 [2023-12-02 14:02:59,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 89 [2023-12-02 14:03:07,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 100 [2023-12-02 14:03:16,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 137 treesize of output 111 [2023-12-02 14:03:27,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 122 [2023-12-02 14:03:35,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 45 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 133 [2023-12-02 14:03:49,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 156 [2023-12-02 14:04:29,053 WARN L293 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 102 DAG size of output: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:04:45,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 120 [2023-12-02 14:05:31,449 WARN L293 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:05:36,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 112 [2023-12-02 14:06:20,469 WARN L293 SmtUtils]: Spent 7.88s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:06:20,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 81 [2023-12-02 14:06:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 142 proven. 98 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 14:06:29,641 INFO L327 TraceCheckSpWp]: Computing backward predicates...