./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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_59c75007-e383-4a11-b1db-94140182b772/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 cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:42,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:42,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:45:42,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:42,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:42,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:42,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:42,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:42,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:42,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:42,720 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:42,720 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:42,721 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:42,722 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:45:42,723 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:42,723 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:42,724 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:45:42,724 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:45:42,725 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:42,726 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:45:42,726 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:45:42,727 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:45:42,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:42,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:42,729 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:42,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:45:42,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:42,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:42,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:42,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:42,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:42,733 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:42,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:42,734 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:42,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:42,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:42,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:42,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:42,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:42,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:42,736 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:45:42,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:45:42,737 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:42,737 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:42,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:42,738 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_59c75007-e383-4a11-b1db-94140182b772/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea [2023-11-19 04:45:43,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:43,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:43,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:43,072 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:43,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:43,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2023-11-19 04:45:46,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:46,511 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:46,512 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2023-11-19 04:45:46,523 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data/ca62b67c3/0b1a56d223b14c9f88bb33cd367ace0a/FLAGe4f798f9c [2023-11-19 04:45:46,537 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data/ca62b67c3/0b1a56d223b14c9f88bb33cd367ace0a [2023-11-19 04:45:46,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:46,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:46,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:46,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:46,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:46,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4c65a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46, skipping insertion in model container [2023-11-19 04:45:46,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:45:46,757 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_59c75007-e383-4a11-b1db-94140182b772/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2023-11-19 04:45:46,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:46,853 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:45:46,864 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_59c75007-e383-4a11-b1db-94140182b772/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2023-11-19 04:45:46,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:46,937 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:45:46,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46 WrapperNode [2023-11-19 04:45:46,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:46,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:46,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:45:46,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:45:46,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:46,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,016 INFO L138 Inliner]: procedures = 29, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 561 [2023-11-19 04:45:47,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:47,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:45:47,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:45:47,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:45:47,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,108 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:45:47,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:45:47,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:45:47,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:45:47,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (1/1) ... [2023-11-19 04:45:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:47,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:45:47,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:45:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:45:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:45:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:45:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:45:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:45:47,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:45:47,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:45:47,194 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:45:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:45:47,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:45:47,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:45:47,374 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:45:47,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:45:48,010 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:45:49,326 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:45:49,327 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:45:49,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:49 BoogieIcfgContainer [2023-11-19 04:45:49,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:45:49,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:45:49,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:45:49,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:45:49,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:46" (1/3) ... [2023-11-19 04:45:49,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c487bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:49, skipping insertion in model container [2023-11-19 04:45:49,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:46" (2/3) ... [2023-11-19 04:45:49,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c487bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:49, skipping insertion in model container [2023-11-19 04:45:49,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:49" (3/3) ... [2023-11-19 04:45:49,342 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-17.i [2023-11-19 04:45:49,361 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:45:49,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:45:49,413 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:45:49,420 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;@2d0b4d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:45:49,420 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:45:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:45:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:45:49,434 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:49,435 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:45:49,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:49,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:49,442 INFO L85 PathProgramCache]: Analyzing trace with hash 983587567, now seen corresponding path program 1 times [2023-11-19 04:45:49,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:49,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675378341] [2023-11-19 04:45:49,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:49,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:45:51,332 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:45:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:45:52,393 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:45:52,395 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:45:52,397 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:45:52,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:45:52,404 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:45:52,410 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:45:52,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:45:52,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 04:45:52,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:45:52,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:45:52,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:45:52,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 04:45:52,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:45:52,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 04:45:52,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:45:52,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:45:52,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:45:52,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:45:52,517 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:45:52,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:45:52,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:45:52,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:45:52,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:45:52,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:45:52,519 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:45:52,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:45:52,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:45:52,520 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:45:52,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:45:52,521 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:45:52,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:45:52,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:45:52,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:45:52,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:45:52,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:45:52,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:45:52,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:45:52,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:45:52,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:45:52,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:45:52,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:45:52,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:45:52,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 04:45:52,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 04:45:52,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:45:52,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:45:52,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:45:52,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-19 04:45:52,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 04:45:52,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-19 04:45:52,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:45:52,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:45:52,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 04:45:52,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:45:52,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated [2023-11-19 04:45:52,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 04:45:52,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-19 04:45:52,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 04:45:52,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-19 04:45:52,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 04:45:52,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 04:45:52,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-19 04:45:52,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 04:45:52,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 04:45:52,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated [2023-11-19 04:45:52,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 04:45:52,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-19 04:45:52,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 04:45:52,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 04:45:52,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated [2023-11-19 04:45:52,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-19 04:45:52,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 04:45:52,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-19 04:45:52,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 04:45:52,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-19 04:45:52,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-11-19 04:45:52,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 04:45:52,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-11-19 04:45:52,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-19 04:45:52,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 04:45:52,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 04:45:52,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-19 04:45:52,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 04:45:52,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-19 04:45:52,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated [2023-11-19 04:45:52,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 04:45:52,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated [2023-11-19 04:45:52,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-19 04:45:52,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 04:45:52,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 04:45:52,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-19 04:45:52,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated [2023-11-19 04:45:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated [2023-11-19 04:45:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 04:45:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-19 04:45:52,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-19 04:45:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-19 04:45:52,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated [2023-11-19 04:45:52,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 04:45:52,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated [2023-11-19 04:45:52,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 04:45:52,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated [2023-11-19 04:45:52,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem108 could not be translated [2023-11-19 04:45:52,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem108 could not be translated [2023-11-19 04:45:52,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-19 04:45:52,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated [2023-11-19 04:45:52,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 04:45:52,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated [2023-11-19 04:45:52,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-19 04:45:52,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated [2023-11-19 04:45:52,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:45:52 BoogieIcfgContainer [2023-11-19 04:45:52,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:45:52,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:45:52,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:45:52,575 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:45:52,576 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:49" (3/4) ... [2023-11-19 04:45:52,580 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:45:52,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:45:52,584 INFO L158 Benchmark]: Toolchain (without parser) took 6042.31ms. Allocated memory was 182.5MB in the beginning and 295.7MB in the end (delta: 113.2MB). Free memory was 136.3MB in the beginning and 227.0MB in the end (delta: -90.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-19 04:45:52,585 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:45:52,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.61ms. Allocated memory is still 182.5MB. Free memory was 136.0MB in the beginning and 120.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:45:52,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.15ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 116.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:45:52,589 INFO L158 Benchmark]: Boogie Preprocessor took 90.83ms. Allocated memory is still 182.5MB. Free memory was 116.3MB in the beginning and 112.4MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:45:52,593 INFO L158 Benchmark]: RCFGBuilder took 2223.14ms. Allocated memory was 182.5MB in the beginning and 245.4MB in the end (delta: 62.9MB). Free memory was 112.4MB in the beginning and 126.7MB in the end (delta: -14.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-11-19 04:45:52,594 INFO L158 Benchmark]: TraceAbstraction took 3239.38ms. Allocated memory was 245.4MB in the beginning and 295.7MB in the end (delta: 50.3MB). Free memory was 125.6MB in the beginning and 227.0MB in the end (delta: -101.4MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2023-11-19 04:45:52,594 INFO L158 Benchmark]: Witness Printer took 7.49ms. Allocated memory is still 295.7MB. Free memory is still 227.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:45:52,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.61ms. Allocated memory is still 182.5MB. Free memory was 136.0MB in the beginning and 120.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.15ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 116.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.83ms. Allocated memory is still 182.5MB. Free memory was 116.3MB in the beginning and 112.4MB in the end (delta: 3.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2223.14ms. Allocated memory was 182.5MB in the beginning and 245.4MB in the end (delta: 62.9MB). Free memory was 112.4MB in the beginning and 126.7MB in the end (delta: -14.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3239.38ms. Allocated memory was 245.4MB in the beginning and 295.7MB in the end (delta: 50.3MB). Free memory was 125.6MB in the beginning and 227.0MB in the end (delta: -101.4MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * Witness Printer took 7.49ms. Allocated memory is still 295.7MB. Free memory is still 227.0MB. 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~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 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~mem57 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~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 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~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 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~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 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~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem111 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem112 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 55, overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[7] = { 9.4, 4.5, 3.5, 49.6, 7.5, 16.2, 10000000.8 }; [L28-L30] float float_Array_0[1] = { 128.4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { 128, 128, -10 }; [L34-L36] unsigned char unsigned_char_Array_0[2] = { 2, 16 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[1] = { 100 }; [L40] unsigned char last_1_unsigned_char_Array_0_1_ = 16; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] CALL updateLastVariables() [L102] EXPR unsigned_char_Array_0[1] [L102] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L73] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L74] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L75] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L75] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L77] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L78] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] double_Array_0[0] = __VERIFIER_nondet_double() [L80] EXPR double_Array_0[0] [L80] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L80] EXPR double_Array_0[0] [L80] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L80] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] double_Array_0[1] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L82] EXPR double_Array_0[1] [L82] EXPR double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F [L82] EXPR (double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] CALL assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[1] >= 0.0F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] double_Array_0[2] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[2] [L84] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L84] EXPR double_Array_0[2] [L84] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L84] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] double_Array_0[3] = __VERIFIER_nondet_double() [L86] EXPR double_Array_0[3] [L86] EXPR double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F [L86] EXPR (double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F ) [L86] EXPR double_Array_0[3] [L86] EXPR double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F [L86] EXPR double_Array_0[3] [L86] EXPR double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F [L86] EXPR (double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] CALL assume_abort_if_not((double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not((double_Array_0[3] >= -230584.3009213691390e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 2305843.009213691390e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L87] double_Array_0[4] = __VERIFIER_nondet_double() [L88] EXPR double_Array_0[4] [L88] EXPR double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F [L88] EXPR double_Array_0[4] [L88] EXPR double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F [L88] EXPR (double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] CALL assume_abort_if_not((double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((double_Array_0[4] >= -461168.6018427382800e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] double_Array_0[5] = __VERIFIER_nondet_double() [L90] EXPR double_Array_0[5] [L90] EXPR double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F [L90] EXPR double_Array_0[5] [L90] EXPR double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F [L90] EXPR (double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F) || (double_Array_0[5] <= 4611686.018427382800e+12F && double_Array_0[5] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] CALL assume_abort_if_not((double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F) || (double_Array_0[5] <= 4611686.018427382800e+12F && double_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((double_Array_0[5] >= -461168.6018427382800e+13F && double_Array_0[5] <= -1.0e-20F) || (double_Array_0[5] <= 4611686.018427382800e+12F && double_Array_0[5] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L91] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L92] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L94] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L95] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(signed_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L97] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L98] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L113] RET updateVariables() [L114] CALL step() [L44] unsigned_long_int_Array_0[0] = last_1_unsigned_char_Array_0_1_ [L45] EXPR unsigned_long_int_Array_0[0] [L45] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0]; [L46] EXPR signed_short_int_Array_0[0] [L46] signed short int stepLocal_0 = signed_short_int_Array_0[0]; [L47] EXPR signed_short_int_Array_0[1] [L47] COND TRUE stepLocal_0 >= signed_short_int_Array_0[1] [L48] EXPR signed_short_int_Array_0[0] [L48] COND TRUE (signed_short_int_Array_0[0] + last_1_unsigned_char_Array_0_1_) >= stepLocal_1 [L49] EXPR unsigned_char_Array_0[0] [L49] unsigned_char_Array_0[1] = unsigned_char_Array_0[0] [L54] BOOL_unsigned_char_Array_0[1] [L54] COND TRUE BOOL_unsigned_char_Array_0[1] [L55] EXPR double_Array_0[5] [L55] EXPR double_Array_0[4] [L55] EXPR double_Array_0[3] [L55] EXPR ((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3])) [L55] EXPR double_Array_0[4] [L55] EXPR ((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3])) [L55] double_Array_0[6] = (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))) [L57] EXPR double_Array_0[1] [L57] EXPR double_Array_0[0] [L57] EXPR double_Array_0[5] [L57] COND FALSE !((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) [L60] BOOL_unsigned_char_Array_0[1] [L60] COND TRUE BOOL_unsigned_char_Array_0[1] [L61] BOOL_unsigned_char_Array_0[0] [L61] COND TRUE BOOL_unsigned_char_Array_0[0] [L62] EXPR unsigned_char_Array_0[1] [L62] signed_short_int_Array_0[2] = unsigned_char_Array_0[1] [L68] EXPR double_Array_0[1] [L68] EXPR double_Array_0[0] [L68] EXPR double_Array_0[2] [L68] COND FALSE !(double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR BOOL_unsigned_char_Array_0[1] [L105] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1 [L105] EXPR double_Array_0[6] [L105] EXPR double_Array_0[5] [L105] EXPR double_Array_0[4] [L105] EXPR double_Array_0[3] [L105] EXPR ((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3])) [L105] EXPR double_Array_0[3] [L105] EXPR ((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3])) [L105] EXPR BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1 [L105] EXPR (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])))) [L105] EXPR double_Array_0[1] [L105] EXPR double_Array_0[0] [L105] EXPR double_Array_0[5] [L105] EXPR ((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))) [L105] EXPR BOOL_unsigned_char_Array_0[1] [L105] EXPR BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) [L105] EXPR BOOL_unsigned_char_Array_0[0] [L105] EXPR BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1 [L105] EXPR signed_short_int_Array_0[2] [L105] EXPR unsigned_char_Array_0[1] [L105] EXPR BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1 [L105] EXPR BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) [L105] EXPR ((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))) [L105] EXPR (BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])))) [L105] EXPR ((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_)) [L105] EXPR unsigned_long_int_Array_0[0] [L105] EXPR ((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_)) [L105] EXPR (((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1) [L105] EXPR double_Array_0[1] [L105] EXPR double_Array_0[0] [L105] EXPR double_Array_0[2] [L105] EXPR (double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1 [L105] EXPR float_Array_0[0] [L105] EXPR double_Array_0[4] [L105] EXPR double_Array_0[3] [L105] EXPR ((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3]) [L105] EXPR double_Array_0[3] [L105] EXPR ((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3]) [L105] EXPR double_Array_0[5] [L105] EXPR ((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]) [L105] EXPR double_Array_0[5] [L105] EXPR ((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]) [L105] EXPR ((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))) [L105] EXPR double_Array_0[4] [L105] EXPR ((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))) [L105] EXPR (double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1 [L105] EXPR (((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1) [L105] EXPR ((((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1)) && ((signed_short_int_Array_0[0] >= signed_short_int_Array_0[1]) ? (((signed_short_int_Array_0[0] + last_1_unsigned_char_Array_0_1_) >= unsigned_long_int_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : 1) [L105-L106] return ((((BOOL_unsigned_char_Array_0[1] ? (double_Array_0[6] == ((double) (double_Array_0[5] + ((((double_Array_0[4]) < ((49.5 + double_Array_0[3]))) ? (double_Array_0[4]) : ((49.5 + double_Array_0[3]))))))) : 1) && (((- (double_Array_0[1] - double_Array_0[0])) <= double_Array_0[5]) ? (signed_short_int_Array_0[2] == ((signed short int) ((8 + unsigned_char_Array_0[1]) - unsigned_char_Array_0[1]))) : (BOOL_unsigned_char_Array_0[1] ? (BOOL_unsigned_char_Array_0[0] ? (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1])) : 1) : (signed_short_int_Array_0[2] == ((signed short int) unsigned_char_Array_0[1]))))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) last_1_unsigned_char_Array_0_1_))) && ((double_Array_0[1] < (double_Array_0[0] - double_Array_0[2])) ? (float_Array_0[0] == ((float) ((((double_Array_0[4]) > (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5]))))) ? (double_Array_0[4]) : (((((((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) > (double_Array_0[5])) ? (((((127.4f) > (double_Array_0[3])) ? (127.4f) : (double_Array_0[3])))) : (double_Array_0[5])))))))) : 1)) && ((signed_short_int_Array_0[0] >= signed_short_int_Array_0[1]) ? (((signed_short_int_Array_0[0] + last_1_unsigned_char_Array_0_1_) >= unsigned_long_int_Array_0[0]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : 1) ; [L115] RET, EXPR property() [L115] 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}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=16, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 16, 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=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 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 04:45:52,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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_59c75007-e383-4a11-b1db-94140182b772/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 cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:55,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:55,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:45:55,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:55,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:55,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:55,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:55,764 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:55,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:55,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:55,771 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:55,772 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:55,772 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:55,774 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:55,775 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:55,775 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:55,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:55,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:55,777 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:55,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:55,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:55,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:55,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:55,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:55,780 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:45:55,781 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:45:55,781 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:45:55,781 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:55,782 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:55,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:55,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:55,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:45:55,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:55,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:55,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:55,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:55,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:55,786 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:45:55,786 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:45:55,787 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:55,788 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:55,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:55,788 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_59c75007-e383-4a11-b1db-94140182b772/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf9505dc2ef67c73c85afca644466d8e73c9d84bcc3bdb502bf9c06807a1f2ea [2023-11-19 04:45:56,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:56,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:56,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:56,203 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:56,203 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:56,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2023-11-19 04:45:59,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:59,757 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:59,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i [2023-11-19 04:45:59,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data/0272ca3eb/b0744368b886488ca40e89bd02709cd3/FLAGf34b4eb01 [2023-11-19 04:45:59,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/data/0272ca3eb/b0744368b886488ca40e89bd02709cd3 [2023-11-19 04:45:59,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:59,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:59,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:59,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:59,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:59,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:59" (1/1) ... [2023-11-19 04:45:59,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b21161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:59, skipping insertion in model container [2023-11-19 04:45:59,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:59" (1/1) ... [2023-11-19 04:45:59,839 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:46:00,025 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_59c75007-e383-4a11-b1db-94140182b772/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2023-11-19 04:46:00,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:00,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:46:00,137 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_59c75007-e383-4a11-b1db-94140182b772/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-17.i[916,929] [2023-11-19 04:46:00,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:46:00,243 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:46:00,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00 WrapperNode [2023-11-19 04:46:00,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:46:00,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:00,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:46:00,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:46:00,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,361 INFO L138 Inliner]: procedures = 39, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 559 [2023-11-19 04:46:00,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:46:00,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:46:00,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:46:00,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:46:00,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:46:00,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:46:00,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:46:00,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:46:00,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (1/1) ... [2023-11-19 04:46:00,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:46:00,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:00,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:46:00,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:46:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:46:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 04:46:00,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:46:00,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:46:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:46:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:46:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:46:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:46:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 04:46:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:46:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:46:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:46:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:46:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:46:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:46:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:46:00,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:46:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:46:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:46:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:46:00,813 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:46:00,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:46:05,917 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:46:05,934 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:46:05,939 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:46:05,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:05 BoogieIcfgContainer [2023-11-19 04:46:05,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:46:05,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:46:05,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:46:05,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:46:05,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:59" (1/3) ... [2023-11-19 04:46:05,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6bd464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:05, skipping insertion in model container [2023-11-19 04:46:05,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:46:00" (2/3) ... [2023-11-19 04:46:05,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6bd464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:46:05, skipping insertion in model container [2023-11-19 04:46:05,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:46:05" (3/3) ... [2023-11-19 04:46:05,957 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-17.i [2023-11-19 04:46:05,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:46:05,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:46:06,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:46:06,036 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;@21baab4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:46:06,037 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:46:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 125 states have (on average 1.456) internal successors, (182), 126 states have internal predecessors, (182), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 04:46:06,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:06,061 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:06,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:06,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1809069754, now seen corresponding path program 1 times [2023-11-19 04:46:06,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:06,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915443766] [2023-11-19 04:46:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:06,086 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 04:46:06,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:06,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:06,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:06,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:46:06,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-19 04:46:06,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:06,998 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:06,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915443766] [2023-11-19 04:46:06,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915443766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:06,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:07,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:46:07,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22422890] [2023-11-19 04:46:07,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:07,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:46:07,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:07,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:46:07,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:46:07,044 INFO L87 Difference]: Start difference. First operand has 144 states, 125 states have (on average 1.456) internal successors, (182), 126 states have internal predecessors, (182), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:07,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:07,084 INFO L93 Difference]: Finished difference Result 281 states and 438 transitions. [2023-11-19 04:46:07,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:46:07,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 141 [2023-11-19 04:46:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:07,097 INFO L225 Difference]: With dead ends: 281 [2023-11-19 04:46:07,097 INFO L226 Difference]: Without dead ends: 140 [2023-11-19 04:46:07,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 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 04:46:07,107 INFO L413 NwaCegarLoop]: 207 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, 207 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 04:46:07,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:46:07,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-19 04:46:07,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-11-19 04:46:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 122 states have (on average 1.4344262295081966) internal successors, (175), 122 states have internal predecessors, (175), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 207 transitions. [2023-11-19 04:46:07,165 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 207 transitions. Word has length 141 [2023-11-19 04:46:07,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:07,165 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 207 transitions. [2023-11-19 04:46:07,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 207 transitions. [2023-11-19 04:46:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 04:46:07,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:07,171 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:07,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:07,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:07,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:07,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:07,386 INFO L85 PathProgramCache]: Analyzing trace with hash 676775910, now seen corresponding path program 1 times [2023-11-19 04:46:07,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:07,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107678563] [2023-11-19 04:46:07,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:07,388 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 04:46:07,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:07,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:07,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:08,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:46:08,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:08,186 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:46:08,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:08,186 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:08,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107678563] [2023-11-19 04:46:08,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107678563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:08,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:08,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:46:08,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316977919] [2023-11-19 04:46:08,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:08,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:46:08,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:08,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:46:08,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:46:08,192 INFO L87 Difference]: Start difference. First operand 140 states and 207 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:08,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:08,391 INFO L93 Difference]: Finished difference Result 283 states and 420 transitions. [2023-11-19 04:46:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:46:08,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 141 [2023-11-19 04:46:08,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:08,396 INFO L225 Difference]: With dead ends: 283 [2023-11-19 04:46:08,399 INFO L226 Difference]: Without dead ends: 146 [2023-11-19 04:46:08,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:46:08,403 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 10 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:08,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 609 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:46:08,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-19 04:46:08,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2023-11-19 04:46:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.4274193548387097) internal successors, (177), 124 states have internal predecessors, (177), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 209 transitions. [2023-11-19 04:46:08,443 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 209 transitions. Word has length 141 [2023-11-19 04:46:08,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:08,446 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 209 transitions. [2023-11-19 04:46:08,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:08,447 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 209 transitions. [2023-11-19 04:46:08,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 04:46:08,454 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:08,455 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:08,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:08,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:08,671 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:08,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:08,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1999216472, now seen corresponding path program 1 times [2023-11-19 04:46:08,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:08,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25461957] [2023-11-19 04:46:08,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:08,674 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 04:46:08,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:08,675 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:08,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:09,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:46:09,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:09,386 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 04:46:09,390 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:09,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:09,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25461957] [2023-11-19 04:46:09,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25461957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:09,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:09,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:46:09,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332882118] [2023-11-19 04:46:09,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:09,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:46:09,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:09,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:46:09,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:46:09,399 INFO L87 Difference]: Start difference. First operand 142 states and 209 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 04:46:09,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:09,780 INFO L93 Difference]: Finished difference Result 315 states and 466 transitions. [2023-11-19 04:46:09,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:46:09,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 141 [2023-11-19 04:46:09,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:09,791 INFO L225 Difference]: With dead ends: 315 [2023-11-19 04:46:09,792 INFO L226 Difference]: Without dead ends: 176 [2023-11-19 04:46:09,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:46:09,794 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 66 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:09,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 597 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:46:09,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-19 04:46:09,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 144. [2023-11-19 04:46:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.4206349206349207) internal successors, (179), 126 states have internal predecessors, (179), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 211 transitions. [2023-11-19 04:46:09,824 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 211 transitions. Word has length 141 [2023-11-19 04:46:09,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:09,826 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 211 transitions. [2023-11-19 04:46:09,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-19 04:46:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 211 transitions. [2023-11-19 04:46:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 04:46:09,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:09,837 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:09,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:10,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:10,052 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:10,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:10,052 INFO L85 PathProgramCache]: Analyzing trace with hash 551308611, now seen corresponding path program 1 times [2023-11-19 04:46:10,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:10,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247295844] [2023-11-19 04:46:10,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:10,054 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 04:46:10,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:10,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:10,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:10,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:46:10,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:11,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:11,084 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 04:46:11,163 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-19 04:46:11,167 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:11,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:11,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247295844] [2023-11-19 04:46:11,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247295844] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:11,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:11,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:46:11,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918925413] [2023-11-19 04:46:11,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:11,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:46:11,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:11,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:46:11,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:46:11,182 INFO L87 Difference]: Start difference. First operand 144 states and 211 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:17,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:17,221 INFO L93 Difference]: Finished difference Result 291 states and 428 transitions. [2023-11-19 04:46:17,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:46:17,222 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 143 [2023-11-19 04:46:17,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:17,224 INFO L225 Difference]: With dead ends: 291 [2023-11-19 04:46:17,225 INFO L226 Difference]: Without dead ends: 150 [2023-11-19 04:46:17,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 138 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 04:46:17,227 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 199 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:17,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 503 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-19 04:46:17,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-19 04:46:17,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 144. [2023-11-19 04:46:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.4126984126984128) internal successors, (178), 126 states have internal predecessors, (178), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:17,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2023-11-19 04:46:17,242 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 143 [2023-11-19 04:46:17,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:17,243 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2023-11-19 04:46:17,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2023-11-19 04:46:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 04:46:17,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:17,246 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:17,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:17,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:17,463 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:17,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:17,464 INFO L85 PathProgramCache]: Analyzing trace with hash -2109050177, now seen corresponding path program 1 times [2023-11-19 04:46:17,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:17,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986088301] [2023-11-19 04:46:17,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:17,465 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 04:46:17,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:17,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:17,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:18,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:46:18,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-19 04:46:18,174 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:18,174 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:18,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986088301] [2023-11-19 04:46:18,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986088301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:18,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:18,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:46:18,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646908903] [2023-11-19 04:46:18,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:18,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:46:18,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:18,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:46:18,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:46:18,199 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 04:46:18,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:18,580 INFO L93 Difference]: Finished difference Result 289 states and 422 transitions. [2023-11-19 04:46:18,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:46:18,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 145 [2023-11-19 04:46:18,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:18,583 INFO L225 Difference]: With dead ends: 289 [2023-11-19 04:46:18,583 INFO L226 Difference]: Without dead ends: 146 [2023-11-19 04:46:18,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:46:18,585 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 7 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:18,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 888 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:46:18,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-19 04:46:18,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2023-11-19 04:46:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 126 states have internal predecessors, (177), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 209 transitions. [2023-11-19 04:46:18,600 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 209 transitions. Word has length 145 [2023-11-19 04:46:18,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:18,601 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 209 transitions. [2023-11-19 04:46:18,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2023-11-19 04:46:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 209 transitions. [2023-11-19 04:46:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 04:46:18,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:18,604 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:18,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:18,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:18,826 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:18,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:18,827 INFO L85 PathProgramCache]: Analyzing trace with hash 458772157, now seen corresponding path program 1 times [2023-11-19 04:46:18,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:18,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894220867] [2023-11-19 04:46:18,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:18,828 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 04:46:18,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:18,829 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:18,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:19,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:46:19,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:19,936 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:19,936 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 04:46:19,992 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-19 04:46:19,995 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:19,995 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:19,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894220867] [2023-11-19 04:46:19,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894220867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:19,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:19,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:46:19,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001027841] [2023-11-19 04:46:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:19,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:46:19,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:19,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:46:20,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:46:20,000 INFO L87 Difference]: Start difference. First operand 144 states and 209 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:26,593 INFO L93 Difference]: Finished difference Result 291 states and 424 transitions. [2023-11-19 04:46:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:46:26,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 145 [2023-11-19 04:46:26,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:26,596 INFO L225 Difference]: With dead ends: 291 [2023-11-19 04:46:26,596 INFO L226 Difference]: Without dead ends: 150 [2023-11-19 04:46:26,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 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 04:46:26,598 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 191 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:26,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 495 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-19 04:46:26,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-19 04:46:26,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 144. [2023-11-19 04:46:26,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 126 states have (on average 1.3968253968253967) internal successors, (176), 126 states have internal predecessors, (176), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 208 transitions. [2023-11-19 04:46:26,623 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 208 transitions. Word has length 145 [2023-11-19 04:46:26,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:26,623 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 208 transitions. [2023-11-19 04:46:26,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 208 transitions. [2023-11-19 04:46:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-19 04:46:26,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:26,626 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:26,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:26,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:26,843 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:26,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1925269757, now seen corresponding path program 1 times [2023-11-19 04:46:26,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:26,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596403138] [2023-11-19 04:46:26,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:46:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:26,845 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:26,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:27,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:46:27,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:27,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:27,859 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 04:46:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-19 04:46:27,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:27,912 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:27,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596403138] [2023-11-19 04:46:27,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [596403138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:27,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:27,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:46:27,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046521175] [2023-11-19 04:46:27,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:27,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:46:27,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:46:27,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:46:27,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:46:27,922 INFO L87 Difference]: Start difference. First operand 144 states and 208 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:34,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:34,207 INFO L93 Difference]: Finished difference Result 289 states and 419 transitions. [2023-11-19 04:46:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:46:34,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 147 [2023-11-19 04:46:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:34,210 INFO L225 Difference]: With dead ends: 289 [2023-11-19 04:46:34,210 INFO L226 Difference]: Without dead ends: 148 [2023-11-19 04:46:34,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:46:34,212 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 187 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:34,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 486 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-19 04:46:34,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-19 04:46:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2023-11-19 04:46:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 124 states have (on average 1.3951612903225807) internal successors, (173), 124 states have internal predecessors, (173), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:46:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 205 transitions. [2023-11-19 04:46:34,223 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 205 transitions. Word has length 147 [2023-11-19 04:46:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:34,224 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 205 transitions. [2023-11-19 04:46:34,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-19 04:46:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 205 transitions. [2023-11-19 04:46:34,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 04:46:34,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:34,227 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:46:34,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:34,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:34,443 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:46:34,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:34,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1627230533, now seen corresponding path program 1 times [2023-11-19 04:46:34,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:46:34,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468854177] [2023-11-19 04:46:34,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:34,445 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 04:46:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:46:34,446 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:34,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/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 04:46:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:35,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:46:35,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:35,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:35,538 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 172 treesize of output 64 [2023-11-19 04:46:35,672 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 252 proven. 24 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-19 04:46:35,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:46:36,114 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:46:36,114 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 110 treesize of output 1 [2023-11-19 04:46:36,130 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 04:46:36,130 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:46:36,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468854177] [2023-11-19 04:46:36,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468854177] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:46:36,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1208890381] [2023-11-19 04:46:36,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:36,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:46:36,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:46:36,135 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:46:36,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c75007-e383-4a11-b1db-94140182b772/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 04:46:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:38,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:46:38,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:38,438 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 04:46:40,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8