./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.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_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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_84670808-191b-46c7-99e3-0797096adda2/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 e012c3f089ce2459bf8c485ba1c0fe1abfe61f524338fc8aecd21133749baa09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:04:54,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:04:54,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:04:54,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:04:54,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:04:54,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:04:54,225 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:04:54,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:04:54,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:04:54,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:04:54,232 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:04:54,233 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:04:54,234 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:04:54,235 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:04:54,236 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:04:54,236 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:04:54,237 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:04:54,237 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:04:54,238 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:04:54,238 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:04:54,239 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:04:54,239 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:04:54,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:04:54,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:04:54,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:04:54,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:04:54,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:04:54,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:04:54,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:04:54,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:04:54,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:04:54,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:04:54,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:04:54,246 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:04:54,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:04:54,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:04:54,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:04:54,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:04:54,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:04:54,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:04:54,248 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:04:54,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:04:54,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:04:54,250 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:04:54,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:04:54,250 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_84670808-191b-46c7-99e3-0797096adda2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e012c3f089ce2459bf8c485ba1c0fe1abfe61f524338fc8aecd21133749baa09 [2023-11-19 05:04:54,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:04:54,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:04:54,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:04:54,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:04:54,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:04:54,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i [2023-11-19 05:04:57,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:04:57,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:04:57,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i [2023-11-19 05:04:57,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data/bc2eb137d/0a6873403f2f4d01a528f017b87758ee/FLAGf1ac294ea [2023-11-19 05:04:57,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data/bc2eb137d/0a6873403f2f4d01a528f017b87758ee [2023-11-19 05:04:57,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:04:57,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:04:57,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:04:57,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:04:58,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:04:58,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:04:57" (1/1) ... [2023-11-19 05:04:58,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c97bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58, skipping insertion in model container [2023-11-19 05:04:58,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:04:57" (1/1) ... [2023-11-19 05:04:58,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:04:58,231 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_84670808-191b-46c7-99e3-0797096adda2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i[916,929] [2023-11-19 05:04:58,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:04:58,305 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:04:58,319 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_84670808-191b-46c7-99e3-0797096adda2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i[916,929] [2023-11-19 05:04:58,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:04:58,403 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:04:58,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58 WrapperNode [2023-11-19 05:04:58,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:04:58,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:04:58,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:04:58,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:04:58,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,538 INFO L138 Inliner]: procedures = 29, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 454 [2023-11-19 05:04:58,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:04:58,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:04:58,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:04:58,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:04:58,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,604 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:04:58,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:04:58,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:04:58,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:04:58,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (1/1) ... [2023-11-19 05:04:58,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:04:58,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:04:58,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:04:58,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:04:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:04:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:04:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:04:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:04:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:04:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:04:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:04:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:04:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:04:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:04:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:04:58,810 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:04:58,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:04:59,434 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:05:00,497 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:05:00,497 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:05:00,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:00 BoogieIcfgContainer [2023-11-19 05:05:00,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:05:00,508 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:05:00,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:05:00,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:05:00,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:04:57" (1/3) ... [2023-11-19 05:05:00,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fef1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:00, skipping insertion in model container [2023-11-19 05:05:00,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:04:58" (2/3) ... [2023-11-19 05:05:00,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fef1e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:00, skipping insertion in model container [2023-11-19 05:05:00,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:00" (3/3) ... [2023-11-19 05:05:00,518 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-83.i [2023-11-19 05:05:00,538 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:05:00,539 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:05:00,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:05:00,613 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;@46d43079, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:05:00,614 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:05:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:05:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 05:05:00,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:00,629 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:00,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:00,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:00,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1790826877, now seen corresponding path program 1 times [2023-11-19 05:05:00,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:05:00,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346208922] [2023-11-19 05:05:00,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:00,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:05:00,927 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:05:00,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970613118] [2023-11-19 05:05:00,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:00,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:05:00,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:00,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:05:00,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:05:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:01,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:05:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:05:02,753 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:05:02,757 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:05:02,759 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:05:02,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:05:02,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:05:02,981 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:05:02,985 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:05:03,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:05:03,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:05:03,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:05:03,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 05:05:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:05:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:05:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:05:03,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 05:05:03,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:05:03,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:05:03,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:05:03,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:05:03,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:05:03,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:05:03,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:05:03,025 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-19 05:05:03,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:05:03,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:05:03,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:05:03,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:05:03,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:05:03,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:05:03,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:05:03,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:05:03,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:05:03,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:05:03,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:05:03,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-19 05:05:03,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:05:03,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:05:03,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:05:03,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:05:03,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:05:03,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:05:03,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-19 05:05:03,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:05:03,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:05:03,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:05:03,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:05:03,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:05:03,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-19 05:05:03,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:05:03,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:05:03,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:05:03,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:05:03,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:05:03,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:05:03 BoogieIcfgContainer [2023-11-19 05:05:03,049 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:05:03,050 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:05:03,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:05:03,050 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:05:03,056 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:00" (3/4) ... [2023-11-19 05:05:03,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:05:03,059 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:05:03,060 INFO L158 Benchmark]: Toolchain (without parser) took 5064.46ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 101.3MB in the beginning and 116.5MB in the end (delta: -15.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-19 05:05:03,061 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:03,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.86ms. Allocated memory is still 144.7MB. Free memory was 101.3MB in the beginning and 85.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:05:03,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.70ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:05:03,063 INFO L158 Benchmark]: Boogie Preprocessor took 65.12ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 77.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:05:03,064 INFO L158 Benchmark]: RCFGBuilder took 1899.15ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 77.2MB in the beginning and 94.1MB in the end (delta: -16.9MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2023-11-19 05:05:03,064 INFO L158 Benchmark]: TraceAbstraction took 2541.74ms. Allocated memory is still 186.6MB. Free memory was 94.1MB in the beginning and 117.5MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:03,065 INFO L158 Benchmark]: Witness Printer took 9.30ms. Allocated memory is still 186.6MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:05:03,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.86ms. Allocated memory is still 144.7MB. Free memory was 101.3MB in the beginning and 85.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.70ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 80.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.12ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 77.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1899.15ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 77.2MB in the beginning and 94.1MB in the end (delta: -16.9MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2541.74ms. Allocated memory is still 186.6MB. Free memory was 94.1MB in the beginning and 117.5MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.30ms. Allocated memory is still 186.6MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.0MB). 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~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 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~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 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 bitwiseOr at line 69, overapproximation of someUnaryDOUBLEoperation at line 72, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 128, 0, 25, 4, 127.625, 0.8, 128.75, 24.8, -128, 64, 5, 1.5 }; [L51] unsigned short int last_1_WrapperStruct00_var_1_1 = 128; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] EXPR WrapperStruct00.var_1_1 [L103] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L84] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L85] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L86] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L87] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ushort() [L88] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L89] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L90] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 255) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 255) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L93] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L94] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L95] EXPR WrapperStruct00.var_1_10 [L95] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L95] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) [L95] EXPR WrapperStruct00.var_1_10 [L95] EXPR WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L95] EXPR WrapperStruct00.var_1_10 [L95] EXPR WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L95] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L96] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L97] EXPR WrapperStruct00.var_1_11 [L97] EXPR WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_11 [L97] EXPR WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L97] EXPR (WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L98] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L99] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L100] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L114] RET updateVariables() [L115] CALL step() [L55] WrapperStruct00.var_1_14 = 200 [L56] EXPR WrapperStruct00.var_1_16 [L56] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_16 [L57] EXPR WrapperStruct00.var_1_10 [L57] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_10 [L58] EXPR WrapperStruct00.var_1_3 [L58] EXPR WrapperStruct00.var_1_4 [L58] signed long int stepLocal_0 = WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4; [L59] WrapperStruct00.var_1_2 [L59] COND TRUE WrapperStruct00.var_1_2 [L60] EXPR WrapperStruct00.var_1_3 [L60] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L60] EXPR WrapperStruct00.var_1_3 [L60] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L60] EXPR (((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) [L60] EXPR WrapperStruct00.var_1_3 [L60] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L60] EXPR WrapperStruct00.var_1_3 [L60] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L60] EXPR (((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) [L60] WrapperStruct00.var_1_1 = (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) [L68] EXPR WrapperStruct00.var_1_3 [L68] EXPR WrapperStruct00.var_1_1 [L68] signed long int stepLocal_2 = WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1; [L69] EXPR WrapperStruct00.var_1_14 [L69] EXPR WrapperStruct00.var_1_15 [L69] EXPR WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15 [L69] signed long int stepLocal_1 = WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15; [L70] EXPR WrapperStruct00.var_1_15 [L70] COND FALSE !(WrapperStruct00.var_1_15 <= stepLocal_2) [L77] EXPR WrapperStruct00.var_1_10 [L77] WrapperStruct00.var_1_8 = WrapperStruct00.var_1_10 [L79] EXPR WrapperStruct00.var_1_15 [L79] EXPR WrapperStruct00.var_1_15 [L79] COND FALSE !(WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR WrapperStruct00.var_1_2 [L106] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3))) [L106] EXPR WrapperStruct00.var_1_1 [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L106] EXPR (((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR ((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3) [L106] EXPR (((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) [L106] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3))) [L106] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3)))) && ((WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10))) [L106] EXPR WrapperStruct00.var_1_15 [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR WrapperStruct00.var_1_1 [L106] EXPR (WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10)) [L106] EXPR WrapperStruct00.var_1_8 [L106] EXPR WrapperStruct00.var_1_10 [L106] EXPR (WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10)) [L106] EXPR (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3)))) && ((WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10))) [L106] EXPR ((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3)))) && ((WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10)))) && ((WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((double) ((((WrapperStruct00.var_1_11) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : 1) [L106] EXPR (((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3)))) && ((WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10)))) && ((WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((double) ((((WrapperStruct00.var_1_11) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_14 == ((signed short int) 200)) [L106] EXPR ((((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3)))) && ((WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10)))) && ((WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((double) ((((WrapperStruct00.var_1_11) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_14 == ((signed short int) 200))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16)) [L106] EXPR (((((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3)))) && ((WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10)))) && ((WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((double) ((((WrapperStruct00.var_1_11) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_14 == ((signed short int) 200))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_17 == ((double) WrapperStruct00.var_1_10)) [L106-L107] return (((((WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((unsigned short int) (((((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) < 0 ) ? -((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))) : ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))))) : (((WrapperStruct00.var_1_3 / WrapperStruct00.var_1_4) >= (((((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * WrapperStruct00.var_1_15)) : ((~ last_1_WrapperStruct00_var_1_1))))) ? (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_1 == ((unsigned short int) WrapperStruct00.var_1_3)))) && ((WrapperStruct00.var_1_15 <= (WrapperStruct00.var_1_3 + WrapperStruct00.var_1_1)) ? ((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_14 ^ WrapperStruct00.var_1_15)) ? (WrapperStruct00.var_1_8 == ((double) (((((WrapperStruct00.var_1_10) < 0 ) ? -(WrapperStruct00.var_1_10) : (WrapperStruct00.var_1_10))) + WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_11))) : (WrapperStruct00.var_1_8 == ((double) WrapperStruct00.var_1_10)))) && ((WrapperStruct00.var_1_15 > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_12 == ((double) ((((WrapperStruct00.var_1_11) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_14 == ((signed short int) 200))) && (WrapperStruct00.var_1_15 == ((signed char) WrapperStruct00.var_1_16))) && (WrapperStruct00.var_1_17 == ((double) WrapperStruct00.var_1_10)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_1=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 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 05:05:03,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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_84670808-191b-46c7-99e3-0797096adda2/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 e012c3f089ce2459bf8c485ba1c0fe1abfe61f524338fc8aecd21133749baa09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:05:05,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:05:05,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:05:05,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:05:05,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:05:06,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:05:06,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:05:06,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:05:06,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:05:06,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:05:06,027 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:05:06,028 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:05:06,028 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:05:06,030 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:05:06,030 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:05:06,031 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:05:06,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:05:06,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:05:06,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:05:06,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:05:06,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:05:06,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:05:06,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:05:06,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:05:06,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:05:06,036 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:05:06,037 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:05:06,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:05:06,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:05:06,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:05:06,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:05:06,040 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:05:06,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:05:06,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:06,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:05:06,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:05:06,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:05:06,042 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:05:06,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:05:06,043 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:05:06,044 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:05:06,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:05:06,048 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_84670808-191b-46c7-99e3-0797096adda2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e012c3f089ce2459bf8c485ba1c0fe1abfe61f524338fc8aecd21133749baa09 [2023-11-19 05:05:06,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:05:06,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:05:06,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:05:06,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:05:06,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:05:06,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i [2023-11-19 05:05:09,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:05:10,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:05:10,029 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i [2023-11-19 05:05:10,041 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data/c0ae85fb5/67fb687e9ad14c4eae95a41ce3ff6cae/FLAGba972b826 [2023-11-19 05:05:10,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/data/c0ae85fb5/67fb687e9ad14c4eae95a41ce3ff6cae [2023-11-19 05:05:10,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:05:10,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:05:10,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:10,075 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:05:10,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:05:10,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4101eee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10, skipping insertion in model container [2023-11-19 05:05:10,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:05:10,336 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_84670808-191b-46c7-99e3-0797096adda2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i[916,929] [2023-11-19 05:05:10,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:10,433 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:05:10,446 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_84670808-191b-46c7-99e3-0797096adda2/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-83.i[916,929] [2023-11-19 05:05:10,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:05:10,572 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:05:10,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10 WrapperNode [2023-11-19 05:05:10,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:05:10,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:10,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:05:10,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:05:10,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,679 INFO L138 Inliner]: procedures = 33, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 425 [2023-11-19 05:05:10,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:05:10,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:05:10,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:05:10,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:05:10,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:05:10,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:05:10,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:05:10,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:05:10,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (1/1) ... [2023-11-19 05:05:10,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:05:10,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:05:10,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:05:10,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:05:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:05:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 05:05:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 05:05:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:05:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:05:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:05:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 05:05:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:05:10,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:05:10,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:05:10,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:05:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:05:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:05:10,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:05:11,066 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:05:11,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:05:12,504 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:05:12,513 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:05:12,513 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:05:12,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:12 BoogieIcfgContainer [2023-11-19 05:05:12,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:05:12,521 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:05:12,521 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:05:12,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:05:12,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:05:10" (1/3) ... [2023-11-19 05:05:12,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49de57bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:12, skipping insertion in model container [2023-11-19 05:05:12,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:05:10" (2/3) ... [2023-11-19 05:05:12,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49de57bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:05:12, skipping insertion in model container [2023-11-19 05:05:12,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:05:12" (3/3) ... [2023-11-19 05:05:12,527 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-83.i [2023-11-19 05:05:12,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:05:12,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:05:12,601 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:05:12,608 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;@1ef54b55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:05:12,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:05:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:05:12,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:05:12,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:12,640 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:12,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:12,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash 437201142, now seen corresponding path program 1 times [2023-11-19 05:05:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:12,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886115518] [2023-11-19 05:05:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:12,673 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 05:05:12,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:12,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:12,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:13,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:05:13,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-11-19 05:05:13,212 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:13,213 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:13,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886115518] [2023-11-19 05:05:13,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886115518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:13,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:13,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:05:13,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809842800] [2023-11-19 05:05:13,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:13,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:05:13,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:13,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:05:13,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:05:13,253 INFO L87 Difference]: Start difference. First operand has 103 states, 89 states have (on average 1.449438202247191) internal successors, (129), 90 states have internal predecessors, (129), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:05:13,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:13,284 INFO L93 Difference]: Finished difference Result 199 states and 307 transitions. [2023-11-19 05:05:13,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:05:13,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2023-11-19 05:05:13,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:13,293 INFO L225 Difference]: With dead ends: 199 [2023-11-19 05:05:13,294 INFO L226 Difference]: Without dead ends: 99 [2023-11-19 05:05:13,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 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 05:05:13,301 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:13,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:05:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-19 05:05:13,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-19 05:05:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:05:13,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2023-11-19 05:05:13,346 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 104 [2023-11-19 05:05:13,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:13,347 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2023-11-19 05:05:13,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:05:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2023-11-19 05:05:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:05:13,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:13,351 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:13,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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)] Ended with exit code 0 [2023-11-19 05:05:13,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:13,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:13,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:13,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1244097976, now seen corresponding path program 1 times [2023-11-19 05:05:13,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:13,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999794898] [2023-11-19 05:05:13,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:13,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:05:13,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:13,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:13,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:13,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:05:13,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:14,046 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:05:14,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:14,047 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:14,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999794898] [2023-11-19 05:05:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999794898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:14,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:14,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:05:14,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215559538] [2023-11-19 05:05:14,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:14,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:05:14,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:14,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:05:14,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:05:14,052 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:14,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:14,184 INFO L93 Difference]: Finished difference Result 216 states and 303 transitions. [2023-11-19 05:05:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:05:14,185 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-19 05:05:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:14,197 INFO L225 Difference]: With dead ends: 216 [2023-11-19 05:05:14,197 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 05:05:14,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:05:14,204 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 46 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:14,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 524 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:05:14,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 05:05:14,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 103. [2023-11-19 05:05:14,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:05:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 142 transitions. [2023-11-19 05:05:14,222 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 142 transitions. Word has length 104 [2023-11-19 05:05:14,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:14,224 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 142 transitions. [2023-11-19 05:05:14,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:14,224 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 142 transitions. [2023-11-19 05:05:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:05:14,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:14,227 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:14,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:14,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:14,436 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:14,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:14,437 INFO L85 PathProgramCache]: Analyzing trace with hash -564039606, now seen corresponding path program 1 times [2023-11-19 05:05:14,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:14,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2086112659] [2023-11-19 05:05:14,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:14,438 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 05:05:14,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:14,440 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:14,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:14,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:05:14,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:05:14,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:14,951 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:14,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2086112659] [2023-11-19 05:05:14,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2086112659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:14,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:14,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:05:14,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957969164] [2023-11-19 05:05:14,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:14,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:05:14,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:14,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:05:14,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:05:14,965 INFO L87 Difference]: Start difference. First operand 103 states and 142 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:15,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:15,152 INFO L93 Difference]: Finished difference Result 223 states and 308 transitions. [2023-11-19 05:05:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:05:15,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-19 05:05:15,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:15,156 INFO L225 Difference]: With dead ends: 223 [2023-11-19 05:05:15,156 INFO L226 Difference]: Without dead ends: 123 [2023-11-19 05:05:15,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:05:15,158 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 49 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:15,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 648 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:05:15,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-11-19 05:05:15,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2023-11-19 05:05:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 92 states have (on average 1.326086956521739) internal successors, (122), 92 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:05:15,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2023-11-19 05:05:15,172 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 104 [2023-11-19 05:05:15,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:15,173 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2023-11-19 05:05:15,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2023-11-19 05:05:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:05:15,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:15,176 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:15,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:15,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:15,386 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:15,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:15,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1210967756, now seen corresponding path program 1 times [2023-11-19 05:05:15,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:15,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706782959] [2023-11-19 05:05:15,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:15,389 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 05:05:15,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:15,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:15,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:15,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:05:15,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:15,992 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 17 treesize of output 9 [2023-11-19 05:05:16,259 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 8 treesize of output 1 [2023-11-19 05:05:16,367 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:05:16,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 43 [2023-11-19 05:05:16,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:05:16,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 34 [2023-11-19 05:05:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:05:16,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:16,566 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:16,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706782959] [2023-11-19 05:05:16,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706782959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:16,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:16,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:05:16,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481238832] [2023-11-19 05:05:16,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:16,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:05:16,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:16,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:05:16,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:05:16,570 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:21,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:21,464 INFO L93 Difference]: Finished difference Result 470 states and 645 transitions. [2023-11-19 05:05:21,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 05:05:21,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-19 05:05:21,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:21,469 INFO L225 Difference]: With dead ends: 470 [2023-11-19 05:05:21,469 INFO L226 Difference]: Without dead ends: 368 [2023-11-19 05:05:21,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-19 05:05:21,471 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 391 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 46 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:21,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 647 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 776 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2023-11-19 05:05:21,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2023-11-19 05:05:21,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 211. [2023-11-19 05:05:21,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 181 states have (on average 1.3204419889502763) internal successors, (239), 182 states have internal predecessors, (239), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:05:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2023-11-19 05:05:21,516 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 291 transitions. Word has length 104 [2023-11-19 05:05:21,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:21,517 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 291 transitions. [2023-11-19 05:05:21,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:21,518 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 291 transitions. [2023-11-19 05:05:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:05:21,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:21,521 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:21,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:21,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:21,732 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:21,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:21,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1076954250, now seen corresponding path program 1 times [2023-11-19 05:05:21,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:21,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352012583] [2023-11-19 05:05:21,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:21,734 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 05:05:21,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:21,735 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:21,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:22,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 05:05:22,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:22,295 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 17 treesize of output 9 [2023-11-19 05:05:22,406 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 8 treesize of output 1 [2023-11-19 05:05:22,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2023-11-19 05:05:24,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:05:24,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 58 treesize of output 52 [2023-11-19 05:05:29,439 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:05:29,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 55 [2023-11-19 05:05:30,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 36 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 105 [2023-11-19 05:05:31,536 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:05:31,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 147 treesize of output 69 [2023-11-19 05:05:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 130 proven. 12 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 05:05:31,891 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:05:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:05:32,697 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:32,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352012583] [2023-11-19 05:05:32,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352012583] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 05:05:32,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:05:32,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2023-11-19 05:05:32,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70321776] [2023-11-19 05:05:32,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:32,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:05:32,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:32,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:05:32,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=185, Unknown=3, NotChecked=0, Total=240 [2023-11-19 05:05:32,701 INFO L87 Difference]: Start difference. First operand 211 states and 291 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:36,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:05:38,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:05:40,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:05:42,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:05:45,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:45,296 INFO L93 Difference]: Finished difference Result 314 states and 434 transitions. [2023-11-19 05:05:45,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:05:45,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-19 05:05:45,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:45,302 INFO L225 Difference]: With dead ends: 314 [2023-11-19 05:05:45,302 INFO L226 Difference]: Without dead ends: 212 [2023-11-19 05:05:45,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=63, Invalid=240, Unknown=3, NotChecked=0, Total=306 [2023-11-19 05:05:45,304 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 15 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:45,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 376 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2023-11-19 05:05:45,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-19 05:05:45,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2023-11-19 05:05:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 182 states have (on average 1.3131868131868132) internal successors, (239), 183 states have internal predecessors, (239), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:05:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 291 transitions. [2023-11-19 05:05:45,327 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 291 transitions. Word has length 104 [2023-11-19 05:05:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:45,327 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 291 transitions. [2023-11-19 05:05:45,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 291 transitions. [2023-11-19 05:05:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:05:45,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:45,330 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:45,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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)] Ended with exit code 0 [2023-11-19 05:05:45,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:45,541 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:45,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1351516366, now seen corresponding path program 1 times [2023-11-19 05:05:45,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:45,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095468573] [2023-11-19 05:05:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:45,542 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 05:05:45,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:45,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:45,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:46,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 05:05:46,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:46,087 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 17 treesize of output 9 [2023-11-19 05:05:46,388 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 8 treesize of output 1 [2023-11-19 05:05:46,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:05:46,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 58 [2023-11-19 05:05:46,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:05:46,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 25 [2023-11-19 05:05:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:05:46,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:05:46,814 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:05:46,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095468573] [2023-11-19 05:05:46,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095468573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:05:46,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:05:46,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:05:46,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400776773] [2023-11-19 05:05:46,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:05:46,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:05:46,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:05:46,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:05:46,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:05:46,817 INFO L87 Difference]: Start difference. First operand 212 states and 291 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:52,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:05:52,221 INFO L93 Difference]: Finished difference Result 453 states and 618 transitions. [2023-11-19 05:05:52,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:05:52,222 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 104 [2023-11-19 05:05:52,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:05:52,225 INFO L225 Difference]: With dead ends: 453 [2023-11-19 05:05:52,226 INFO L226 Difference]: Without dead ends: 350 [2023-11-19 05:05:52,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:05:52,227 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 295 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:05:52,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 436 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-19 05:05:52,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-11-19 05:05:52,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 229. [2023-11-19 05:05:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 199 states have (on average 1.3165829145728642) internal successors, (262), 200 states have internal predecessors, (262), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 05:05:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2023-11-19 05:05:52,248 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 104 [2023-11-19 05:05:52,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:05:52,249 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2023-11-19 05:05:52,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:05:52,249 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2023-11-19 05:05:52,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 05:05:52,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:05:52,252 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:52,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:52,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:52,463 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:05:52,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:05:52,464 INFO L85 PathProgramCache]: Analyzing trace with hash -236831536, now seen corresponding path program 1 times [2023-11-19 05:05:52,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:05:52,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607128253] [2023-11-19 05:05:52,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:05:52,465 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 05:05:52,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:05:52,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:52,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84670808-191b-46c7-99e3-0797096adda2/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 05:05:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:05:52,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 05:05:53,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:05:53,008 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 8 treesize of output 1 [2023-11-19 05:05:53,015 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 30 treesize of output 1 [2023-11-19 05:05:53,022 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 25 treesize of output 10