./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.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_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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_e6434cab-d383-454c-9a6f-9226b1748a04/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 af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:12:32,457 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:12:32,609 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:12:32,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:12:32,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:12:32,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:12:32,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:12:32,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:12:32,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:12:32,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:12:32,646 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:12:32,647 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:12:32,648 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:12:32,649 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:12:32,650 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:12:32,650 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:12:32,651 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:12:32,651 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:12:32,652 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:12:32,652 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:12:32,652 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:12:32,653 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:12:32,654 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:12:32,654 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:12:32,655 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:12:32,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:12:32,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:12:32,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:12:32,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:12:32,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:12:32,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:12:32,658 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:12:32,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:12:32,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:12:32,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:12:32,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:12:32,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:32,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:12:32,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:12:32,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:12:32,660 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:12:32,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:12:32,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:12:32,661 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:12:32,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:12:32,662 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_e6434cab-d383-454c-9a6f-9226b1748a04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a [2023-11-19 04:12:33,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:12:33,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:12:33,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:12:33,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:12:33,041 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:12:33,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2023-11-19 04:12:36,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:12:36,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:12:36,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2023-11-19 04:12:36,325 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data/b6e27fbab/0185567c675349a586de4d1d4e776e7e/FLAG00a4a6586 [2023-11-19 04:12:36,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data/b6e27fbab/0185567c675349a586de4d1d4e776e7e [2023-11-19 04:12:36,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:12:36,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:12:36,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:36,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:12:36,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:12:36,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f40c618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36, skipping insertion in model container [2023-11-19 04:12:36,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:12:36,552 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_e6434cab-d383-454c-9a6f-9226b1748a04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2023-11-19 04:12:36,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:36,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:12:36,656 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_e6434cab-d383-454c-9a6f-9226b1748a04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2023-11-19 04:12:36,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:36,727 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:12:36,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36 WrapperNode [2023-11-19 04:12:36,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:36,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:36,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:12:36,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:12:36,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,807 INFO L138 Inliner]: procedures = 29, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 446 [2023-11-19 04:12:36,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:36,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:12:36,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:12:36,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:12:36,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,829 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,829 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:12:36,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:12:36,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:12:36,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:12:36,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (1/1) ... [2023-11-19 04:12:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:36,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:12:36,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:12:37,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:12:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:12:37,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:12:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:12:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:12:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:12:37,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:12:37,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:12:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:12:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:12:37,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:12:37,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:12:37,234 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:12:37,236 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:12:37,867 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:12:38,691 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:12:38,691 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:12:38,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:38 BoogieIcfgContainer [2023-11-19 04:12:38,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:12:38,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:12:38,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:12:38,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:12:38,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:12:36" (1/3) ... [2023-11-19 04:12:38,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf7a1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:38, skipping insertion in model container [2023-11-19 04:12:38,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:36" (2/3) ... [2023-11-19 04:12:38,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf7a1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:38, skipping insertion in model container [2023-11-19 04:12:38,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:38" (3/3) ... [2023-11-19 04:12:38,714 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-15.i [2023-11-19 04:12:38,735 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:12:38,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:12:38,791 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:12:38,799 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;@4cee8add, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:12:38,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:12:38,803 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 04:12:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:12:38,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:38,815 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 04:12:38,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:38,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:38,822 INFO L85 PathProgramCache]: Analyzing trace with hash -63516214, now seen corresponding path program 1 times [2023-11-19 04:12:38,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:12:38,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275552485] [2023-11-19 04:12:38,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:38,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:12:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:12:40,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:12:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:12:41,393 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:12:41,395 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:12:41,396 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:12:41,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:12:41,405 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:12:41,415 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:12:41,491 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:12:41,494 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 04:12:41,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:12:41,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:12:41,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:12:41,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 04:12:41,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:12:41,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 04:12:41,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:12:41,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 04:12:41,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:12:41,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:12:41,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 04:12:41,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:12:41,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:12:41,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 04:12:41,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 04:12:41,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:12:41,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:12:41,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:12:41,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:12:41,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:12:41,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:12:41,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:12:41,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:12:41,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:12:41,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:12:41,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:12:41,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:12:41,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:12:41,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:12:41,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:12:41,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:12:41,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:12:41,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:12:41,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:12:41,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:12:41,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:12:41,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:12:41,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:12:41,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:12:41,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:12:41,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:12:41,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:12:41,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:12:41,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:12:41,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:12:41,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:12:41,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:12:41,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:12:41,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 04:12:41,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-19 04:12:41,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:12:41,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 04:12:41,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 04:12:41,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:12:41,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:12:41,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 04:12:41,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 04:12:41,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:12:41,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:12:41,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:12:41,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-19 04:12:41,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 04:12:41,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 04:12:41,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 04:12:41,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 04:12:41,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 04:12:41,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 04:12:41,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 04:12:41,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 04:12:41,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 04:12:41,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:12:41 BoogieIcfgContainer [2023-11-19 04:12:41,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:12:41,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:12:41,590 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:12:41,590 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:12:41,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:38" (3/4) ... [2023-11-19 04:12:41,596 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:12:41,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:12:41,600 INFO L158 Benchmark]: Toolchain (without parser) took 5253.91ms. Allocated memory was 188.7MB in the beginning and 318.8MB in the end (delta: 130.0MB). Free memory was 157.6MB in the beginning and 241.4MB in the end (delta: -83.7MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-19 04:12:41,601 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 93.9MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:12:41,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.71ms. Allocated memory is still 188.7MB. Free memory was 157.5MB in the beginning and 143.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:12:41,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.99ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 139.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:12:41,610 INFO L158 Benchmark]: Boogie Preprocessor took 63.50ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 135.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:12:41,611 INFO L158 Benchmark]: RCFGBuilder took 1826.70ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 135.7MB in the beginning and 160.5MB in the end (delta: -24.8MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2023-11-19 04:12:41,613 INFO L158 Benchmark]: TraceAbstraction took 2883.31ms. Allocated memory was 226.5MB in the beginning and 318.8MB in the end (delta: 92.3MB). Free memory was 160.5MB in the beginning and 241.4MB in the end (delta: -80.9MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2023-11-19 04:12:41,614 INFO L158 Benchmark]: Witness Printer took 8.75ms. Allocated memory is still 318.8MB. Free memory is still 241.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:12:41,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 93.9MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 381.71ms. Allocated memory is still 188.7MB. Free memory was 157.5MB in the beginning and 143.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.99ms. Allocated memory is still 188.7MB. Free memory was 143.2MB in the beginning and 139.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.50ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 135.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1826.70ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 135.7MB in the beginning and 160.5MB in the end (delta: -24.8MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2883.31ms. Allocated memory was 226.5MB in the beginning and 318.8MB in the end (delta: 92.3MB). Free memory was 160.5MB in the beginning and 241.4MB in the end (delta: -80.9MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * Witness Printer took 8.75ms. Allocated memory is still 318.8MB. Free memory is still 241.4MB. 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~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 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~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 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~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 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~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 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~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 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 someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] double double_Array_0[5] = { 9.75, 5.1, 32.6, 128.1, 63.9 }; [L28-L30] signed char signed_char_Array_0[2] = { 8, -128 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { -10 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[2] = { 1885310857, 1 }; [L37] signed long int last_1_signed_long_int_Array_0_0_ = -10; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] CALL updateLastVariables() [L91] EXPR signed_long_int_Array_0[0] [L91] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L101] RET updateLastVariables() [L102] CALL updateVariables() [L69] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L71] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L72] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] double_Array_0[0] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[0] [L76] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L76] EXPR double_Array_0[0] [L76] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L76] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] double_Array_0[1] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[1] [L78] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L78] EXPR double_Array_0[1] [L78] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L78] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] double_Array_0[3] = __VERIFIER_nondet_double() [L80] EXPR double_Array_0[3] [L80] EXPR double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F [L80] EXPR (double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) [L80] EXPR double_Array_0[3] [L80] EXPR double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F [L80] EXPR double_Array_0[3] [L80] EXPR double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F [L80] EXPR (double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] CALL assume_abort_if_not((double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((double_Array_0[3] >= 0.0F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] double_Array_0[4] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[4] [L82] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F [L82] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F ) [L82] EXPR double_Array_0[4] [L82] EXPR double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F [L82] EXPR double_Array_0[4] [L82] EXPR double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F [L82] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] CALL assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 9223372.036854765600e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L87] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 1073741824) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L102] RET updateVariables() [L103] CALL step() [L41] BOOL_unsigned_char_Array_0[1] [L41] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L44] EXPR unsigned_long_int_Array_0[0] [L44] EXPR ((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]) [L44] unsigned_long_int_Array_0[1] = ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))) [L46] BOOL_unsigned_char_Array_0[1] [L46] COND FALSE !(BOOL_unsigned_char_Array_0[1]) [L49] EXPR BOOL_unsigned_char_Array_0[1] [L49] unsigned char stepLocal_1 = BOOL_unsigned_char_Array_0[1]; [L50] EXPR signed_long_int_Array_0[0] [L50] signed long int stepLocal_0 = signed_long_int_Array_0[0]; [L51] stepLocal_1 || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L51] EXPR signed_long_int_Array_0[0] [L51] EXPR signed_long_int_Array_0[0] [L51] stepLocal_1 || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L51] COND TRUE stepLocal_1 || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L52] EXPR unsigned_long_int_Array_0[1] [L52] COND FALSE !(stepLocal_0 < unsigned_long_int_Array_0[1]) [L57] signed_char_Array_0[1] = 2 [L62] EXPR signed_char_Array_0[1] [L62] EXPR signed_char_Array_0[1] [L62] COND TRUE signed_char_Array_0[1] >= signed_char_Array_0[1] [L63] EXPR double_Array_0[0] [L63] EXPR double_Array_0[1] [L63] EXPR double_Array_0[3] [L63] EXPR double_Array_0[4] [L63] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) [L63] EXPR double_Array_0[4] [L63] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) [L63] double_Array_0[2] = (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))) [L103] RET step() [L104] CALL, EXPR property() [L94] EXPR BOOL_unsigned_char_Array_0[1] [L94] EXPR BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L94] EXPR signed_long_int_Array_0[0] [L94] EXPR signed_long_int_Array_0[0] [L94] EXPR BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0]) [L94] EXPR (BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) [L94] EXPR signed_long_int_Array_0[0] [L94] EXPR unsigned_long_int_Array_0[1] [L94] EXPR (signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2)) [L94] EXPR signed_char_Array_0[1] [L94] EXPR (signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2)) [L94] EXPR (BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) [L94] EXPR ((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0])))))) [L94] EXPR BOOL_unsigned_char_Array_0[1] [L94] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))) [L94] EXPR unsigned_long_int_Array_0[1] [L94] EXPR unsigned_long_int_Array_0[0] [L94] EXPR ((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]) [L94] EXPR BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))) [L94] EXPR ((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0])))))) [L94] EXPR (((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1) [L94] EXPR BOOL_unsigned_char_Array_0[1] [L94] EXPR BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1 [L94] EXPR (((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1) [L94] EXPR ((((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1)) && ((signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1])))))) [L94] EXPR signed_char_Array_0[1] [L94] EXPR signed_char_Array_0[1] [L94] EXPR (signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) [L94] EXPR double_Array_0[2] [L94] EXPR double_Array_0[0] [L94] EXPR double_Array_0[1] [L94] EXPR double_Array_0[3] [L94] EXPR double_Array_0[4] [L94] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) [L94] EXPR double_Array_0[4] [L94] EXPR (((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4]) [L94] EXPR (signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) [L94] EXPR ((((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1)) && ((signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1])))))) [L94-L95] return ((((BOOL_unsigned_char_Array_0[1] || ((~ signed_long_int_Array_0[0]) >= signed_long_int_Array_0[0])) ? ((signed_long_int_Array_0[0] < unsigned_long_int_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) : 1) : (signed_char_Array_0[1] == ((signed char) 2))) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[1] == ((unsigned long int) ((1514707036u + ((((unsigned_long_int_Array_0[0]) < 0 ) ? -(unsigned_long_int_Array_0[0]) : (unsigned_long_int_Array_0[0])))) - last_1_signed_long_int_Array_0_0_))) : (unsigned_long_int_Array_0[1] == ((unsigned long int) ((((last_1_signed_long_int_Array_0_0_) > (unsigned_long_int_Array_0[0])) ? (last_1_signed_long_int_Array_0_0_) : (unsigned_long_int_Array_0[0]))))))) && (BOOL_unsigned_char_Array_0[1] ? (signed_long_int_Array_0[0] == ((signed long int) (unsigned_long_int_Array_0[1] + ((((signed_char_Array_0[0]) < 0 ) ? -(signed_char_Array_0[0]) : (signed_char_Array_0[0])))))) : 1)) && ((signed_char_Array_0[1] >= signed_char_Array_0[1]) ? (double_Array_0[2] == ((double) (double_Array_0[0] - (((((double_Array_0[1] + double_Array_0[3])) > (double_Array_0[4])) ? ((double_Array_0[1] + double_Array_0[3])) : (double_Array_0[4])))))) : (double_Array_0[2] == ((double) ((((double_Array_0[3]) > (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1])))))) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=-10, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:12:41,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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_e6434cab-d383-454c-9a6f-9226b1748a04/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 af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:12:44,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:12:44,508 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:12:44,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:12:44,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:12:44,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:12:44,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:12:44,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:12:44,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:12:44,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:12:44,573 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:12:44,574 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:12:44,574 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:12:44,576 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:12:44,576 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:12:44,577 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:12:44,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:12:44,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:12:44,579 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:12:44,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:12:44,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:12:44,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:12:44,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:12:44,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:12:44,583 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:12:44,583 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:12:44,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:12:44,584 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:12:44,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:12:44,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:12:44,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:12:44,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:12:44,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:12:44,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:44,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:12:44,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:12:44,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:12:44,588 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:12:44,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:12:44,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:12:44,590 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:12:44,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:12:44,591 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_e6434cab-d383-454c-9a6f-9226b1748a04/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af611b85592e3bfdb76cb3d02db14972ec0514184947c9ed0792744d9af89e7a [2023-11-19 04:12:45,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:12:45,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:12:45,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:12:45,039 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:12:45,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:12:45,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2023-11-19 04:12:48,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:12:48,810 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:12:48,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i [2023-11-19 04:12:48,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data/927957a55/93566119ab46428690662f33317ef5d1/FLAGa6aa67473 [2023-11-19 04:12:48,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/data/927957a55/93566119ab46428690662f33317ef5d1 [2023-11-19 04:12:48,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:12:48,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:12:48,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:48,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:12:48,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:12:48,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:48" (1/1) ... [2023-11-19 04:12:48,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18673dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:48, skipping insertion in model container [2023-11-19 04:12:48,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:12:48" (1/1) ... [2023-11-19 04:12:48,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:12:49,058 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_e6434cab-d383-454c-9a6f-9226b1748a04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2023-11-19 04:12:49,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:49,137 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:12:49,151 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_e6434cab-d383-454c-9a6f-9226b1748a04/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-15.i[916,929] [2023-11-19 04:12:49,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:12:49,232 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:12:49,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49 WrapperNode [2023-11-19 04:12:49,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:12:49,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:49,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:12:49,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:12:49,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,350 INFO L138 Inliner]: procedures = 33, calls = 155, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 445 [2023-11-19 04:12:49,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:12:49,357 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:12:49,357 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:12:49,357 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:12:49,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:12:49,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:12:49,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:12:49,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:12:49,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (1/1) ... [2023-11-19 04:12:49,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:12:49,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:12:49,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:12:49,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:12:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:12:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 04:12:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:12:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:12:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:12:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:12:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 04:12:49,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:12:49,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:12:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:12:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:12:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:12:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:12:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:12:49,789 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:12:49,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:12:52,599 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:12:52,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:12:52,609 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:12:52,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:52 BoogieIcfgContainer [2023-11-19 04:12:52,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:12:52,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:12:52,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:12:52,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:12:52,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:12:48" (1/3) ... [2023-11-19 04:12:52,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a3b679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:52, skipping insertion in model container [2023-11-19 04:12:52,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:12:49" (2/3) ... [2023-11-19 04:12:52,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a3b679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:12:52, skipping insertion in model container [2023-11-19 04:12:52,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:12:52" (3/3) ... [2023-11-19 04:12:52,624 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-15.i [2023-11-19 04:12:52,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:12:52,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:12:52,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:12:52,704 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;@2975c04a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:12:52,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:12:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 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 04:12:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 04:12:52,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:52,726 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:52,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:52,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:52,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2045303348, now seen corresponding path program 1 times [2023-11-19 04:12:52,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:52,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799050029] [2023-11-19 04:12:52,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:52,751 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 04:12:52,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:52,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:52,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:53,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:12:53,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:53,372 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 04:12:53,372 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:53,373 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:53,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799050029] [2023-11-19 04:12:53,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799050029] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:53,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:53,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:12:53,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424450496] [2023-11-19 04:12:53,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:53,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:12:53,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:53,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:12:53,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:12:53,420 INFO L87 Difference]: Start difference. First operand has 113 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 99 states have internal predecessors, (142), 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 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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 04:12:53,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:53,461 INFO L93 Difference]: Finished difference Result 219 states and 338 transitions. [2023-11-19 04:12:53,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:12:53,463 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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 115 [2023-11-19 04:12:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:53,473 INFO L225 Difference]: With dead ends: 219 [2023-11-19 04:12:53,473 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 04:12:53,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 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 04:12:53,482 INFO L413 NwaCegarLoop]: 157 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, 157 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 04:12:53,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:12:53,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 04:12:53,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-19 04:12:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 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 04:12:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2023-11-19 04:12:53,537 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 115 [2023-11-19 04:12:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:53,538 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2023-11-19 04:12:53,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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 04:12:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2023-11-19 04:12:53,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 04:12:53,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:53,542 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:53,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:53,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:53,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:53,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:53,753 INFO L85 PathProgramCache]: Analyzing trace with hash 523381052, now seen corresponding path program 1 times [2023-11-19 04:12:53,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:53,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475255918] [2023-11-19 04:12:53,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:53,755 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 04:12:53,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:53,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:53,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:54,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:12:54,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:54,324 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 21 treesize of output 9 [2023-11-19 04:12:54,392 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 04:12:54,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:54,392 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:54,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475255918] [2023-11-19 04:12:54,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475255918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:54,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:54,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:12:54,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362864256] [2023-11-19 04:12:54,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:54,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:12:54,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:54,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:12:54,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:12:54,407 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 04:12:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:54,494 INFO L93 Difference]: Finished difference Result 213 states and 308 transitions. [2023-11-19 04:12:54,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:12:54,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 115 [2023-11-19 04:12:54,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:54,504 INFO L225 Difference]: With dead ends: 213 [2023-11-19 04:12:54,505 INFO L226 Difference]: Without dead ends: 107 [2023-11-19 04:12:54,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 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 04:12:54,510 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:54,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 301 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:12:54,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-19 04:12:54,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-11-19 04:12:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 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 04:12:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2023-11-19 04:12:54,539 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 115 [2023-11-19 04:12:54,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:54,544 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2023-11-19 04:12:54,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 04:12:54,545 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2023-11-19 04:12:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 04:12:54,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:54,557 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:54,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:54,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:54,766 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:54,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:54,768 INFO L85 PathProgramCache]: Analyzing trace with hash 395217285, now seen corresponding path program 1 times [2023-11-19 04:12:54,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:54,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601962023] [2023-11-19 04:12:54,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:54,770 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 04:12:54,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:54,771 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:54,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:55,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:12:55,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:55,480 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 04:12:55,480 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:55,480 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:55,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601962023] [2023-11-19 04:12:55,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601962023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:55,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:55,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:12:55,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946930064] [2023-11-19 04:12:55,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:55,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:12:55,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:55,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:12:55,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:12:55,483 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 04:12:55,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:12:55,536 INFO L93 Difference]: Finished difference Result 235 states and 338 transitions. [2023-11-19 04:12:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:12:55,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 115 [2023-11-19 04:12:55,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:12:55,538 INFO L225 Difference]: With dead ends: 235 [2023-11-19 04:12:55,539 INFO L226 Difference]: Without dead ends: 131 [2023-11-19 04:12:55,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 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 04:12:55,541 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 39 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:12:55,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 325 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:12:55,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-11-19 04:12:55,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 108. [2023-11-19 04:12:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 94 states have internal predecessors, (130), 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 04:12:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2023-11-19 04:12:55,557 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 115 [2023-11-19 04:12:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:12:55,558 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2023-11-19 04:12:55,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 04:12:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2023-11-19 04:12:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 04:12:55,561 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:12:55,561 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:12:55,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:55,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:55,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:12:55,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:12:55,764 INFO L85 PathProgramCache]: Analyzing trace with hash 653382723, now seen corresponding path program 1 times [2023-11-19 04:12:55,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:12:55,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733060744] [2023-11-19 04:12:55,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:12:55,765 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 04:12:55,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:12:55,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:55,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:12:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:12:56,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:12:56,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:12:56,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:12:56,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 155 treesize of output 65 [2023-11-19 04:12:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-19 04:12:56,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:12:56,754 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:12:56,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733060744] [2023-11-19 04:12:56,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [733060744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:12:56,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:12:56,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:12:56,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162474170] [2023-11-19 04:12:56,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:12:56,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:12:56,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:12:56,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:12:56,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:12:56,767 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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 04:12:58,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:00,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:00,896 INFO L93 Difference]: Finished difference Result 219 states and 314 transitions. [2023-11-19 04:13:00,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:00,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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 115 [2023-11-19 04:13:00,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:00,906 INFO L225 Difference]: With dead ends: 219 [2023-11-19 04:13:00,906 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 04:13:00,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 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 04:13:00,908 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 144 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:00,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 430 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-19 04:13:00,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 04:13:00,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2023-11-19 04:13:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.372340425531915) internal successors, (129), 94 states have internal predecessors, (129), 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 04:13:00,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2023-11-19 04:13:00,930 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 153 transitions. Word has length 115 [2023-11-19 04:13:00,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:00,930 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 153 transitions. [2023-11-19 04:13:00,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 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 04:13:00,931 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 153 transitions. [2023-11-19 04:13:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 04:13:00,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:00,933 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:00,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:01,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:01,147 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:01,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:01,148 INFO L85 PathProgramCache]: Analyzing trace with hash -712137539, now seen corresponding path program 1 times [2023-11-19 04:13:01,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:01,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558801225] [2023-11-19 04:13:01,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:01,150 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 04:13:01,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:01,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:01,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:01,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:13:01,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:02,043 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:02,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-11-19 04:13:02,100 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-19 04:13:02,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:02,101 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:02,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558801225] [2023-11-19 04:13:02,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558801225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:02,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:02,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:02,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343849801] [2023-11-19 04:13:02,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:02,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:13:02,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:02,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:13:02,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:13:02,104 INFO L87 Difference]: Start difference. First operand 108 states and 153 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 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 04:13:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:05,835 INFO L93 Difference]: Finished difference Result 219 states and 312 transitions. [2023-11-19 04:13:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:05,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 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 117 [2023-11-19 04:13:05,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:05,844 INFO L225 Difference]: With dead ends: 219 [2023-11-19 04:13:05,845 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 04:13:05,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 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 04:13:05,846 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 136 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:05,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 426 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-19 04:13:05,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 04:13:05,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2023-11-19 04:13:05,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 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 04:13:05,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 152 transitions. [2023-11-19 04:13:05,863 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 152 transitions. Word has length 117 [2023-11-19 04:13:05,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:05,863 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 152 transitions. [2023-11-19 04:13:05,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 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 04:13:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 152 transitions. [2023-11-19 04:13:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 04:13:05,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:05,869 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:05,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:06,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:06,083 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:06,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:06,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1686098243, now seen corresponding path program 1 times [2023-11-19 04:13:06,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:06,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684927870] [2023-11-19 04:13:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:06,085 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 04:13:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:06,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:06,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 (7)] Waiting until timeout for monitored process [2023-11-19 04:13:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:06,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:13:06,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:06,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:06,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-11-19 04:13:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 04:13:06,990 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:06,990 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:06,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684927870] [2023-11-19 04:13:06,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684927870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:06,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:06,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:06,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154806968] [2023-11-19 04:13:06,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:06,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:13:06,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:06,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:13:06,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:13:06,993 INFO L87 Difference]: Start difference. First operand 108 states and 152 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 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 04:13:11,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:11,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:11,311 INFO L93 Difference]: Finished difference Result 219 states and 310 transitions. [2023-11-19 04:13:11,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:11,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 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 119 [2023-11-19 04:13:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:11,324 INFO L225 Difference]: With dead ends: 219 [2023-11-19 04:13:11,324 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 04:13:11,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 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 04:13:11,326 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 127 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:11,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 422 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-19 04:13:11,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 04:13:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2023-11-19 04:13:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 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 04:13:11,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 151 transitions. [2023-11-19 04:13:11,347 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 151 transitions. Word has length 119 [2023-11-19 04:13:11,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:11,348 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 151 transitions. [2023-11-19 04:13:11,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 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 04:13:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 151 transitions. [2023-11-19 04:13:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-19 04:13:11,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:11,351 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:11,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:11,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:11,560 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:11,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:11,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1438140349, now seen corresponding path program 1 times [2023-11-19 04:13:11,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:11,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308633705] [2023-11-19 04:13:11,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:11,562 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 04:13:11,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:11,563 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:11,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 (8)] Waiting until timeout for monitored process [2023-11-19 04:13:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:12,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:13:12,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:12,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:12,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 173 treesize of output 65 [2023-11-19 04:13:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-19 04:13:12,631 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:12,631 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:12,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308633705] [2023-11-19 04:13:12,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308633705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:12,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:12,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:12,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783530978] [2023-11-19 04:13:12,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:12,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:13:12,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:12,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:13:12,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:13:12,634 INFO L87 Difference]: Start difference. First operand 108 states and 151 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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 04:13:14,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:13:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:16,693 INFO L93 Difference]: Finished difference Result 219 states and 308 transitions. [2023-11-19 04:13:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:16,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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 121 [2023-11-19 04:13:16,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:16,704 INFO L225 Difference]: With dead ends: 219 [2023-11-19 04:13:16,704 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 04:13:16,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 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 04:13:16,706 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 118 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:16,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 415 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-19 04:13:16,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 04:13:16,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 108. [2023-11-19 04:13:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 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 04:13:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 150 transitions. [2023-11-19 04:13:16,718 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 150 transitions. Word has length 121 [2023-11-19 04:13:16,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:16,718 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 150 transitions. [2023-11-19 04:13:16,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 5 states have internal predecessors, (67), 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 04:13:16,719 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 150 transitions. [2023-11-19 04:13:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 04:13:16,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:16,721 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:16,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 (8)] Ended with exit code 0 [2023-11-19 04:13:16,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:16,938 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:16,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:16,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1476075075, now seen corresponding path program 1 times [2023-11-19 04:13:16,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:16,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006441347] [2023-11-19 04:13:16,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:16,940 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 04:13:16,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:16,941 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 04:13:16,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/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 (9)] Waiting until timeout for monitored process [2023-11-19 04:13:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:17,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:13:17,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:17,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:18,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:19,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:19,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:19,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:20,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:20,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:20,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:21,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-19 04:13:21,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:13:21,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006441347] [2023-11-19 04:13:21,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006441347] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:13:21,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2017303431] [2023-11-19 04:13:21,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:21,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:13:21,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:13:21,434 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:13:21,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 04:13:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:23,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:13:23,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:23,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:24,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:24,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:24,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:25,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:25,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:25,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:26,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:26,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-19 04:13:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-19 04:13:26,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:13:26,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2017303431] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:13:26,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796429868] [2023-11-19 04:13:26,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:26,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:13:26,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:26,499 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:13:26,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6434cab-d383-454c-9a6f-9226b1748a04/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process