./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d8fa5b4a69c76f74c175995e6b000db6b4caf81148527831da55528f4382b42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:01,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:01,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:13:01,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:01,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:01,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:01,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:01,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:01,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:01,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:01,746 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:01,746 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:01,747 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:01,749 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:13:01,750 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:01,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:01,751 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:13:01,751 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:13:01,752 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:01,753 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:13:01,753 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:13:01,754 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:13:01,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:01,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:01,757 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:01,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:13:01,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:01,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:01,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:01,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:01,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:01,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:01,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:01,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:01,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:01,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:01,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:01,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:01,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:01,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:01,765 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:13:01,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:13:01,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:01,767 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:01,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:01,768 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_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d8fa5b4a69c76f74c175995e6b000db6b4caf81148527831da55528f4382b42 [2023-11-19 04:13:02,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:02,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:02,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:02,169 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:02,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:02,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i [2023-11-19 04:13:05,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:06,250 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:06,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i [2023-11-19 04:13:06,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data/62c6f9669/1b62326820f54e8f9f3734cd007589f5/FLAGbe2f4a11a [2023-11-19 04:13:06,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data/62c6f9669/1b62326820f54e8f9f3734cd007589f5 [2023-11-19 04:13:06,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:06,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:06,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:06,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:06,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:06,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d60adee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06, skipping insertion in model container [2023-11-19 04:13:06,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,370 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:06,584 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_12d8602f-bda1-4c42-99ac-d7e256398a0b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i[915,928] [2023-11-19 04:13:06,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:06,674 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:06,695 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_12d8602f-bda1-4c42-99ac-d7e256398a0b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i[915,928] [2023-11-19 04:13:06,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:06,836 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:06,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06 WrapperNode [2023-11-19 04:13:06,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:06,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:06,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:06,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:06,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,948 INFO L138 Inliner]: procedures = 29, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 420 [2023-11-19 04:13:06,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:06,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:06,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:06,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:06,963 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:06,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:07,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:07,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:07,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:07,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (1/1) ... [2023-11-19 04:13:07,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:07,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:07,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:07,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:13:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:13:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:13:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:13:07,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:13:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:13:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:13:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:13:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:07,312 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:07,318 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:08,106 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:09,290 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:09,291 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:13:09,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:09 BoogieIcfgContainer [2023-11-19 04:13:09,298 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:09,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:09,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:09,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:09,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:06" (1/3) ... [2023-11-19 04:13:09,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c16381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:09, skipping insertion in model container [2023-11-19 04:13:09,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:06" (2/3) ... [2023-11-19 04:13:09,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c16381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:09, skipping insertion in model container [2023-11-19 04:13:09,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:09" (3/3) ... [2023-11-19 04:13:09,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-7.i [2023-11-19 04:13:09,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:09,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:13:09,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:09,421 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;@40d0d680, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:09,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:13:09,426 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) [2023-11-19 04:13:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:13:09,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:09,441 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] [2023-11-19 04:13:09,442 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:09,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:09,452 INFO L85 PathProgramCache]: Analyzing trace with hash -745225381, now seen corresponding path program 1 times [2023-11-19 04:13:09,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:09,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842434889] [2023-11-19 04:13:09,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:09,733 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:13:09,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1369020536] [2023-11-19 04:13:09,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:09,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:13:09,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:09,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:13:09,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:13:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:13:10,608 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:13:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:13:10,931 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:13:10,934 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:13:10,935 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:13:10,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:11,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:13:11,158 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:13:11,163 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:13:11,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 04:13:11,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:13:11,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 04:13:11,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 04:13:11,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-19 04:13:11,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:13:11,208 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 04:13:11,208 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 04:13:11,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-19 04:13:11,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 04:13:11,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 04:13:11,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 04:13:11,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:13:11,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:13:11,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 04:13:11,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:13:11,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:13:11,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:13:11,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:13:11,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:13:11,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 04:13:11,213 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:13:11,213 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:13:11,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 04:13:11,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:13:11,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 04:13:11,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:13:11,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:13:11,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:13:11,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:13:11,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:13:11,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:13:11,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:13:11,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:13:11,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:13:11,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:13:11,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 04:13:11,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 04:13:11,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:13:11,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 04:13:11,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:13:11,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:13:11,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 04:13:11,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 04:13:11,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:13:11,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:13:11,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 04:13:11,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 04:13:11,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 04:13:11,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:13:11,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 04:13:11,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:13:11,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 04:13:11,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 04:13:11,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 04:13:11,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-19 04:13:11,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:13:11,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 04:13:11,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 04:13:11,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:13:11,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:13:11 BoogieIcfgContainer [2023-11-19 04:13:11,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:13:11,251 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:13:11,251 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:13:11,251 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:13:11,252 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:09" (3/4) ... [2023-11-19 04:13:11,255 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:13:11,256 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:13:11,258 INFO L158 Benchmark]: Toolchain (without parser) took 4957.39ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 112.9MB in the beginning and 77.6MB in the end (delta: 35.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2023-11-19 04:13:11,258 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:11,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.34ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 97.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:13:11,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.27ms. Allocated memory is still 155.2MB. Free memory was 97.9MB in the beginning and 93.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:13:11,260 INFO L158 Benchmark]: Boogie Preprocessor took 74.32ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 90.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:13:11,261 INFO L158 Benchmark]: RCFGBuilder took 2273.72ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 90.5MB in the beginning and 143.7MB in the end (delta: -53.1MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2023-11-19 04:13:11,262 INFO L158 Benchmark]: TraceAbstraction took 1945.75ms. Allocated memory is still 201.3MB. Free memory was 142.6MB in the beginning and 77.6MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 04:13:11,263 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 201.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:11,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.34ms. Allocated memory is still 155.2MB. Free memory was 112.9MB in the beginning and 97.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.27ms. Allocated memory is still 155.2MB. Free memory was 97.9MB in the beginning and 93.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.32ms. Allocated memory is still 155.2MB. Free memory was 93.7MB in the beginning and 90.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2273.72ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 90.5MB in the beginning and 143.7MB in the end (delta: -53.1MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1945.75ms. Allocated memory is still 201.3MB. Free memory was 142.6MB in the beginning and 77.6MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 201.3MB. Free memory is still 77.6MB. 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~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 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~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 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~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 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~mem71 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~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 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~short72 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~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 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 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. 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] double last_1_WrapperStruct00_var_1_7 = 0.2; [L48] unsigned long int last_1_WrapperStruct00_var_1_12 = 5; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L104] EXPR WrapperStruct00.var_1_7 [L104] last_1_WrapperStruct00_var_1_7 = WrapperStruct00.var_1_7 [L105] EXPR WrapperStruct00.var_1_12 [L105] last_1_WrapperStruct00_var_1_12 = WrapperStruct00.var_1_12 [L115] RET updateLastVariables() [L116] CALL updateVariables() [L83] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L84] EXPR WrapperStruct00.var_1_3 [L84] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L84] 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 ) [L84] EXPR WrapperStruct00.var_1_3 [L84] EXPR WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F [L84] EXPR WrapperStruct00.var_1_3 [L84] EXPR WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F [L84] 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}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L84] 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}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L84] 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}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L85] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L86] EXPR WrapperStruct00.var_1_4 [L86] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L86] 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 ) [L86] EXPR WrapperStruct00.var_1_4 [L86] EXPR WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F [L86] EXPR WrapperStruct00.var_1_4 [L86] EXPR WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F [L86] 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}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L86] 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}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L86] 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}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L87] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L89] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L90] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L92] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L93] WrapperStruct00.var_1_9 = __VERIFIER_nondet_ushort() [L94] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, 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_9 >= 0) VAL [WrapperStruct00={4:0}, \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_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L95] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L96] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, 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_9 != 0) VAL [WrapperStruct00={4:0}, \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_9 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L97] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L98] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, 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_10 >= 0) VAL [WrapperStruct00={4:0}, \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_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L99] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, 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_10 <= 1) VAL [WrapperStruct00={4:0}, \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_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L100] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_11 [L101] EXPR WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_11 [L101] EXPR WrapperStruct00.var_1_11 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L101] 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}, 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_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}, \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_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}, isInitial=1, last_1_WrapperStruct00_var_1_12=5, last_1_WrapperStruct00_var_1_7=1/5] [L116] RET updateVariables() [L117] CALL step() [L52] EXPR WrapperStruct00.var_1_3 [L52] EXPR WrapperStruct00.var_1_4 [L52] COND FALSE !(! (last_1_WrapperStruct00_var_1_7 <= (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4))) [L59] EXPR WrapperStruct00.var_1_6 [L59] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_6 [L61] EXPR WrapperStruct00.var_1_8 [L61] WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1) [L61] COND TRUE WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1) [L62] EXPR WrapperStruct00.var_1_8 [L62] WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10 [L62] EXPR WrapperStruct00.var_1_10 [L62] WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10 [L62] COND TRUE WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10 [L63] EXPR WrapperStruct00.var_1_11 [L63] WrapperStruct00.var_1_7 = WrapperStruct00.var_1_11 [L70] WrapperStruct00.var_1_8 [L70] COND TRUE WrapperStruct00.var_1_8 [L71] EXPR WrapperStruct00.var_1_10 [L71] WrapperStruct00.var_1_10 && (WrapperStruct00.var_1_4 <= WrapperStruct00.var_1_7) [L71] EXPR WrapperStruct00.var_1_4 [L71] EXPR WrapperStruct00.var_1_7 [L71] WrapperStruct00.var_1_10 && (WrapperStruct00.var_1_4 <= WrapperStruct00.var_1_7) [L71] COND TRUE WrapperStruct00.var_1_10 && (WrapperStruct00.var_1_4 <= WrapperStruct00.var_1_7) [L72] EXPR WrapperStruct00.var_1_4 [L72] EXPR WrapperStruct00.var_1_11 [L72] EXPR ((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_11) [L72] EXPR WrapperStruct00.var_1_4 [L72] EXPR ((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_11) [L72] EXPR WrapperStruct00.var_1_7 [L72] COND FALSE !(((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_11))) > WrapperStruct00.var_1_7) [L75] EXPR WrapperStruct00.var_1_6 [L75] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_6 [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR WrapperStruct00.var_1_3 [L108] EXPR WrapperStruct00.var_1_4 [L108] EXPR (! (last_1_WrapperStruct00_var_1_7 <= (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L108] EXPR WrapperStruct00.var_1_1 [L108] EXPR WrapperStruct00.var_1_6 [L108] EXPR (! (last_1_WrapperStruct00_var_1_7 <= (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) [L108] EXPR ((! (last_1_WrapperStruct00_var_1_7 <= (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) [L108] EXPR WrapperStruct00.var_1_8 [L108] EXPR WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1) [L108] EXPR (WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) [L108] EXPR WrapperStruct00.var_1_8 [L108] EXPR WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10 [L108] EXPR WrapperStruct00.var_1_10 [L108] EXPR WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10 [L108] EXPR (WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) [L108] EXPR WrapperStruct00.var_1_7 [L108] EXPR WrapperStruct00.var_1_11 [L108] EXPR (WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) [L108] EXPR (WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) [L108] EXPR ((! (last_1_WrapperStruct00_var_1_7 <= (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) [L108] EXPR (((! (last_1_WrapperStruct00_var_1_7 <= (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)))) && (WrapperStruct00.var_1_8 ? ((WrapperStruct00.var_1_10 && (WrapperStruct00.var_1_4 <= WrapperStruct00.var_1_7)) ? ((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_11))) > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((((3725801564u - WrapperStruct00.var_1_6) - WrapperStruct00.var_1_1)) > (WrapperStruct00.var_1_9)) ? (((3725801564u - WrapperStruct00.var_1_6) - WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) WrapperStruct00.var_1_6))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned long int) WrapperStruct00.var_1_6))) [L108-L109] return (((! (last_1_WrapperStruct00_var_1_7 <= (WrapperStruct00.var_1_3 - WrapperStruct00.var_1_4))) ? ((-1 < last_1_WrapperStruct00_var_1_12) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_6))) && ((WrapperStruct00.var_1_8 || ((WrapperStruct00.var_1_6 / WrapperStruct00.var_1_9) >= WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_8 && WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_7 == ((double) WrapperStruct00.var_1_11)))) && (WrapperStruct00.var_1_8 ? ((WrapperStruct00.var_1_10 && (WrapperStruct00.var_1_4 <= WrapperStruct00.var_1_7)) ? ((((((WrapperStruct00.var_1_4) > (WrapperStruct00.var_1_11)) ? (WrapperStruct00.var_1_4) : (WrapperStruct00.var_1_11))) > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_12 == ((unsigned long int) ((((((3725801564u - WrapperStruct00.var_1_6) - WrapperStruct00.var_1_1)) > (WrapperStruct00.var_1_9)) ? (((3725801564u - WrapperStruct00.var_1_6) - WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_12 == ((unsigned long int) WrapperStruct00.var_1_6))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned long int) WrapperStruct00.var_1_6))) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \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}, \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: 1.8s, 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, 0.6s 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 [2023-11-19 04:13:11,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d8fa5b4a69c76f74c175995e6b000db6b4caf81148527831da55528f4382b42 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:14,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:14,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:13:14,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:14,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:14,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:14,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:14,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:14,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:14,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:14,323 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:14,323 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:14,324 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:14,326 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:14,326 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:14,327 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:14,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:14,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:14,329 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:14,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:14,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:14,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:14,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:14,332 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:14,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:13:14,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:13:14,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:13:14,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:14,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:14,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:14,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:14,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:13:14,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:14,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:14,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:14,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:14,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:14,339 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:13:14,339 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:13:14,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:14,340 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:14,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:14,341 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_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d8fa5b4a69c76f74c175995e6b000db6b4caf81148527831da55528f4382b42 [2023-11-19 04:13:14,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:14,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:14,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:14,864 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:14,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:14,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i [2023-11-19 04:13:18,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:18,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:18,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i [2023-11-19 04:13:18,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data/8a5502c82/5f803d0817984682aa1b613174e1591e/FLAGaa31f31f5 [2023-11-19 04:13:18,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/data/8a5502c82/5f803d0817984682aa1b613174e1591e [2023-11-19 04:13:18,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:18,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:18,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:18,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:18,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:18,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:18,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a98db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18, skipping insertion in model container [2023-11-19 04:13:18,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:18,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:18,754 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_12d8602f-bda1-4c42-99ac-d7e256398a0b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i[915,928] [2023-11-19 04:13:18,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:18,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:18,852 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_12d8602f-bda1-4c42-99ac-d7e256398a0b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-7.i[915,928] [2023-11-19 04:13:18,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:18,983 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:18,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18 WrapperNode [2023-11-19 04:13:18,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:18,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:18,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:18,990 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:18,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,063 INFO L138 Inliner]: procedures = 39, calls = 146, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 420 [2023-11-19 04:13:19,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:19,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:19,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:19,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:19,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:19,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:19,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:19,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:19,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (1/1) ... [2023-11-19 04:13:19,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:19,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:19,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:19,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 04:13:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:13:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:13:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:13:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:13:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:13:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:13:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 04:13:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:13:19,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:13:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:13:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:13:19,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:13:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:13:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:19,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:13:19,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:13:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:13:19,419 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:19,422 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:22,902 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:22,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:22,918 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:13:22,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:22 BoogieIcfgContainer [2023-11-19 04:13:22,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:22,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:22,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:22,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:22,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:18" (1/3) ... [2023-11-19 04:13:22,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec4ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:22, skipping insertion in model container [2023-11-19 04:13:22,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:18" (2/3) ... [2023-11-19 04:13:22,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec4ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:22, skipping insertion in model container [2023-11-19 04:13:22,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:22" (3/3) ... [2023-11-19 04:13:22,941 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-7.i [2023-11-19 04:13:22,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:22,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:13:23,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:23,031 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;@4da254d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:23,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:13:23,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 85 states have (on average 1.4705882352941178) internal successors, (125), 86 states have internal predecessors, (125), 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) [2023-11-19 04:13:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:13:23,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:23,064 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] [2023-11-19 04:13:23,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:23,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:23,075 INFO L85 PathProgramCache]: Analyzing trace with hash 283445107, now seen corresponding path program 1 times [2023-11-19 04:13:23,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:23,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996420248] [2023-11-19 04:13:23,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:23,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:23,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:23,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:13:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:23,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:13:23,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 04:13:23,742 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:23,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:23,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996420248] [2023-11-19 04:13:23,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996420248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:23,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:23,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:23,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819852937] [2023-11-19 04:13:23,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:23,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:13:23,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:23,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:13:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:13:23,811 INFO L87 Difference]: Start difference. First operand has 100 states, 85 states have (on average 1.4705882352941178) internal successors, (125), 86 states have internal predecessors, (125), 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 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2023-11-19 04:13:23,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:23,876 INFO L93 Difference]: Finished difference Result 193 states and 304 transitions. [2023-11-19 04:13:23,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:13:23,879 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 103 [2023-11-19 04:13:23,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:23,891 INFO L225 Difference]: With dead ends: 193 [2023-11-19 04:13:23,891 INFO L226 Difference]: Without dead ends: 96 [2023-11-19 04:13:23,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:13:23,901 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:23,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:23,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-19 04:13:23,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-19 04:13:23,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 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) [2023-11-19 04:13:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-11-19 04:13:23,976 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 103 [2023-11-19 04:13:23,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:23,977 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-11-19 04:13:23,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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) [2023-11-19 04:13:23,979 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-11-19 04:13:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:13:23,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:23,989 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] [2023-11-19 04:13:24,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:24,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:24,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:24,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:24,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1020890979, now seen corresponding path program 1 times [2023-11-19 04:13:24,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:24,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058425506] [2023-11-19 04:13:24,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:24,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:24,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:24,212 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:24,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:13:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:24,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:13:24,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:13:24,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:24,700 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:24,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058425506] [2023-11-19 04:13:24,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058425506] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:24,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:24,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:13:24,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738106412] [2023-11-19 04:13:24,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:24,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:13:24,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:24,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:13:24,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,707 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-19 04:13:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:24,769 INFO L93 Difference]: Finished difference Result 190 states and 275 transitions. [2023-11-19 04:13:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:13:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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 103 [2023-11-19 04:13:24,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:24,772 INFO L225 Difference]: With dead ends: 190 [2023-11-19 04:13:24,773 INFO L226 Difference]: Without dead ends: 97 [2023-11-19 04:13:24,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:13:24,775 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:24,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:24,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-19 04:13:24,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-19 04:13:24,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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) [2023-11-19 04:13:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-19 04:13:24,789 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 103 [2023-11-19 04:13:24,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:24,791 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-19 04:13:24,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2023-11-19 04:13:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-19 04:13:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:13:24,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:24,793 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] [2023-11-19 04:13:24,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:25,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:25,003 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:25,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:25,004 INFO L85 PathProgramCache]: Analyzing trace with hash 9773729, now seen corresponding path program 1 times [2023-11-19 04:13:25,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:25,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530933628] [2023-11-19 04:13:25,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:25,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:25,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:25,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:13:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:25,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:13:25,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:25,711 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 [2023-11-19 04:13:25,775 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 04:13:25,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:25,776 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:25,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530933628] [2023-11-19 04:13:25,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [530933628] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:25,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:25,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:25,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660862661] [2023-11-19 04:13:25,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:25,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:13:25,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:25,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:13:25,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:13:25,800 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 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) [2023-11-19 04:13:29,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:29,049 INFO L93 Difference]: Finished difference Result 197 states and 284 transitions. [2023-11-19 04:13:29,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:29,050 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), 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 103 [2023-11-19 04:13:29,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:29,052 INFO L225 Difference]: With dead ends: 197 [2023-11-19 04:13:29,052 INFO L226 Difference]: Without dead ends: 103 [2023-11-19 04:13:29,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:13:29,055 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 145 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:29,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 380 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-19 04:13:29,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-19 04:13:29,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2023-11-19 04:13:29,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 83 states have internal predecessors, (114), 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) [2023-11-19 04:13:29,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2023-11-19 04:13:29,071 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 103 [2023-11-19 04:13:29,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:29,072 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2023-11-19 04:13:29,072 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), 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) [2023-11-19 04:13:29,072 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2023-11-19 04:13:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 04:13:29,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:29,074 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, 1] [2023-11-19 04:13:29,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:29,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:29,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:29,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1355702811, now seen corresponding path program 1 times [2023-11-19 04:13:29,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:29,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525404150] [2023-11-19 04:13:29,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:29,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:29,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:29,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:29,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:13:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:29,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:13:29,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:29,867 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 [2023-11-19 04:13:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 04:13:29,920 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:29,920 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:29,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525404150] [2023-11-19 04:13:29,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525404150] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:29,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:29,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:29,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217261652] [2023-11-19 04:13:29,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:29,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:13:29,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:29,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:13:29,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:13:29,924 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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) [2023-11-19 04:13:32,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:32,783 INFO L93 Difference]: Finished difference Result 197 states and 282 transitions. [2023-11-19 04:13:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:32,785 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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 105 [2023-11-19 04:13:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:32,786 INFO L225 Difference]: With dead ends: 197 [2023-11-19 04:13:32,787 INFO L226 Difference]: Without dead ends: 103 [2023-11-19 04:13:32,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:13:32,789 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 133 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:32,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 374 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-19 04:13:32,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-19 04:13:32,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2023-11-19 04:13:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 83 states have internal predecessors, (113), 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) [2023-11-19 04:13:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 137 transitions. [2023-11-19 04:13:32,828 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 137 transitions. Word has length 105 [2023-11-19 04:13:32,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:32,829 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 137 transitions. [2023-11-19 04:13:32,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 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) [2023-11-19 04:13:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2023-11-19 04:13:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 04:13:32,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:32,832 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, 1, 1, 1] [2023-11-19 04:13:32,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:33,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:33,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:33,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:33,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1056718239, now seen corresponding path program 1 times [2023-11-19 04:13:33,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:33,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453448471] [2023-11-19 04:13:33,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:33,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:33,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:33,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:13:33,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12d8602f-bda1-4c42-99ac-d7e256398a0b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 04:13:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:33,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:13:33,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:33,740 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 14 treesize of output 10 [2023-11-19 04:13:33,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 25 treesize of output 24 [2023-11-19 04:13:34,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:34,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 04:13:34,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:34,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-11-19 04:13:34,634 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:34,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 47 [2023-11-19 04:13:37,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:37,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 62 [2023-11-19 04:13:37,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:37,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 86 [2023-11-19 04:13:39,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:39,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 92 treesize of output 103 [2023-11-19 04:13:39,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:39,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 132 treesize of output 60 [2023-11-19 04:13:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-19 04:13:39,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:39,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:39,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453448471] [2023-11-19 04:13:39,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453448471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:39,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:39,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 04:13:39,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198507751] [2023-11-19 04:13:39,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:39,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 04:13:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:39,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 04:13:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=56, Unknown=2, NotChecked=0, Total=90 [2023-11-19 04:13:39,989 INFO L87 Difference]: Start difference. First operand 97 states and 137 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-19 04:13:43,827 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] [2023-11-19 04:13:45,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:13:47,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:13:49,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:13:51,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:13:54,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:13:56,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:13:58,092 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]