./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire --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 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:33:53,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:53,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:33:53,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:53,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:53,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:53,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:53,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:53,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:53,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:53,494 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:53,495 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:53,495 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:53,498 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:53,498 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:53,499 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:53,500 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:53,500 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:53,501 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:53,501 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:53,502 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:53,503 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:53,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:53,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:53,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:53,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:53,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:53,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:53,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:53,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:53,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:53,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:53,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:53,511 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:53,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:53,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:33:53,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:53,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:53,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:53,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:53,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:53,516 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:53,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:53,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:53,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:53,518 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:53,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:53,518 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_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 [2023-11-23 20:33:53,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:53,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:53,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:53,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:53,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:53,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-23 20:33:57,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:57,457 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:57,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-23 20:33:57,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data/2b8aef3eb/8c30a480e4bb48ca8ea5fbf444769b55/FLAGe48f229e7 [2023-11-23 20:33:57,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data/2b8aef3eb/8c30a480e4bb48ca8ea5fbf444769b55 [2023-11-23 20:33:57,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:57,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:57,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:57,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:57,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:57,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:57,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ac3391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57, skipping insertion in model container [2023-11-23 20:33:57,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:57,574 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:57,818 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_4d302971-8daf-42b7-a45d-8d21655dff76/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-23 20:33:57,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:57,905 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:33:57,919 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-23 20:33:57,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:33:57,980 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:33:57,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57 WrapperNode [2023-11-23 20:33:57,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:57,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:57,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:33:57,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:33:57,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,065 INFO L138 Inliner]: procedures = 29, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 453 [2023-11-23 20:33:58,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:33:58,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:33:58,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:33:58,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:33:58,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,129 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:33:58,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:33:58,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:33:58,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:33:58,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (1/1) ... [2023-11-23 20:33:58,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:58,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:33:58,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:58,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 20:33:58,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:33:58,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 20:33:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:33:58,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 20:33:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:58,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:33:58,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:58,425 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:58,428 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:59,168 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:59,976 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:59,977 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:59,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:59 BoogieIcfgContainer [2023-11-23 20:33:59,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:59,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:59,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:59,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:59,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:33:57" (1/3) ... [2023-11-23 20:33:59,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608b32f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:59, skipping insertion in model container [2023-11-23 20:33:59,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:57" (2/3) ... [2023-11-23 20:33:59,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608b32f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:59, skipping insertion in model container [2023-11-23 20:33:59,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:59" (3/3) ... [2023-11-23 20:33:59,995 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-30.i [2023-11-23 20:34:00,023 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:00,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:00,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:00,112 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;@72313a4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:00,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:34:00,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:34:00,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:00,136 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:00,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:00,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1840601565, now seen corresponding path program 1 times [2023-11-23 20:34:00,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:34:00,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471735912] [2023-11-23 20:34:00,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:00,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:34:00,526 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:34:00,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [241240804] [2023-11-23 20:34:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:00,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:34:00,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:00,546 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:34:00,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:34:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:02,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:34:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:34:03,307 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:34:03,310 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:34:03,311 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:34:03,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:03,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:34:03,537 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:34:03,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:34:03,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 20:34:03,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-23 20:34:03,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 20:34:03,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 20:34:03,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 20:34:03,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-23 20:34:03,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 20:34:03,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 20:34:03,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 20:34:03,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 20:34:03,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 20:34:03,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-23 20:34:03,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 20:34:03,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 20:34:03,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 20:34:03,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 20:34:03,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 20:34:03,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 20:34:03,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 20:34:03,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 20:34:03,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:34:03,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:34:03,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 20:34:03,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 20:34:03,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 20:34:03,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 20:34:03,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:34:03,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:34:03,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 20:34:03,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 20:34:03,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:34:03,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 20:34:03,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 20:34:03,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 20:34:03,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 20:34:03,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:34:03,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 20:34:03,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 20:34:03,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 20:34:03,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 20:34:03,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 20:34:03,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 20:34:03,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:34:03,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 20:34:03,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-23 20:34:03,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:34:03,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:34:03,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 20:34:03,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-23 20:34:03,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:34:03,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:34:03,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-23 20:34:03,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 20:34:03,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-23 20:34:03,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:34:03,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 20:34:03,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-23 20:34:03,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 20:34:03,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-23 20:34:03,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 20:34:03,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-23 20:34:03,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 20:34:03,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-23 20:34:03,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-23 20:34:03,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated [2023-11-23 20:34:03,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-23 20:34:03,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-23 20:34:03,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-23 20:34:03,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-23 20:34:03,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-23 20:34:03,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:34:03 BoogieIcfgContainer [2023-11-23 20:34:03,655 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:34:03,656 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:34:03,656 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:34:03,657 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:34:03,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:59" (3/4) ... [2023-11-23 20:34:03,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:34:03,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:34:03,662 INFO L158 Benchmark]: Toolchain (without parser) took 6165.22ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 140.7MB in the beginning and 127.8MB in the end (delta: 13.0MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-23 20:34:03,663 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:03,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.23ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 137.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:34:03,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.19ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 132.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:34:03,671 INFO L158 Benchmark]: Boogie Preprocessor took 113.71ms. Allocated memory is still 178.3MB. Free memory was 132.6MB in the beginning and 128.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:34:03,673 INFO L158 Benchmark]: RCFGBuilder took 1786.17ms. Allocated memory is still 178.3MB. Free memory was 128.7MB in the beginning and 90.4MB in the end (delta: 38.3MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2023-11-23 20:34:03,675 INFO L158 Benchmark]: TraceAbstraction took 3670.58ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 89.5MB in the beginning and 127.8MB in the end (delta: -38.3MB). Peak memory consumption was 180.1kB. Max. memory is 16.1GB. [2023-11-23 20:34:03,678 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 213.9MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:34:03,685 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.23ms. Allocated memory is still 178.3MB. Free memory was 140.2MB in the beginning and 137.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.19ms. Allocated memory is still 178.3MB. Free memory was 137.1MB in the beginning and 132.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.71ms. Allocated memory is still 178.3MB. Free memory was 132.6MB in the beginning and 128.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1786.17ms. Allocated memory is still 178.3MB. Free memory was 128.7MB in the beginning and 90.4MB in the end (delta: 38.3MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3670.58ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 89.5MB in the beginning and 127.8MB in the end (delta: -38.3MB). Peak memory consumption was 180.1kB. Max. memory is 16.1GB. * Witness Printer took 4.65ms. Allocated memory is still 213.9MB. Free memory is still 127.8MB. 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~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~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~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 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~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of shiftLeft at line 79, overapproximation of someUnaryFLOAToperation at line 85, overapproximation of someBinaryArithmeticFLOAToperation at line 85. Possible FailurePath: [L37] unsigned char isInitial = 0; [L38-L52] struct WrapperStruct00 WrapperStruct00 = { 64, 0, 8, -32, 128, 10, 2, 0, 32.5, 127.8, 999.25, 1000000000.5, 256.6 }; [L53] signed long int last_1_WrapperStruct00_var_1_10 = 0; [L125] isInitial = 1 [L126] FCALL initially() [L127] COND TRUE 1 [L128] CALL updateLastVariables() [L118] EXPR WrapperStruct00.var_1_10 [L118] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L128] RET updateLastVariables() [L129] CALL updateVariables() [L90] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L93] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L94] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -32768) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -32768) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L95] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L96] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_5 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_5 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L97] WrapperStruct00.var_1_6 = __VERIFIER_nondet_short() [L98] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= -32768) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= -32768) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L99] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L100] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_6 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_6 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L101] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L102] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L103] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L104] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L106] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L107] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L110] WrapperStruct00.var_1_13 = __VERIFIER_nondet_float() [L111] EXPR WrapperStruct00.var_1_13 [L111] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L111] EXPR WrapperStruct00.var_1_13 [L111] EXPR WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L111] EXPR (WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L111] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L112] WrapperStruct00.var_1_14 = __VERIFIER_nondet_float() [L113] EXPR WrapperStruct00.var_1_14 [L113] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L113] EXPR WrapperStruct00.var_1_14 [L113] EXPR WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F [L113] EXPR (WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L113] CALL assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((WrapperStruct00.var_1_14 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_14 <= -1.0e-20F) || (WrapperStruct00.var_1_14 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L114] WrapperStruct00.var_1_15 = __VERIFIER_nondet_float() [L115] EXPR WrapperStruct00.var_1_15 [L115] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F [L115] EXPR WrapperStruct00.var_1_15 [L115] EXPR WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F [L115] EXPR (WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L115] CALL assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((WrapperStruct00.var_1_15 >= 0.0F && WrapperStruct00.var_1_15 <= -1.0e-20F) || (WrapperStruct00.var_1_15 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L129] RET updateVariables() [L130] CALL step() [L57] EXPR WrapperStruct00.var_1_5 [L57] EXPR WrapperStruct00.var_1_6 [L57] signed long int stepLocal_0 = (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6; [L58] WrapperStruct00.var_1_2 [L58] COND FALSE !(WrapperStruct00.var_1_2) [L63] EXPR WrapperStruct00.var_1_9 [L63] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_9 [L65] EXPR WrapperStruct00.var_1_1 [L65] unsigned char stepLocal_2 = WrapperStruct00.var_1_1; [L66] EXPR WrapperStruct00.var_1_1 [L66] EXPR WrapperStruct00.var_1_1 [L66] signed long int stepLocal_1 = WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1; [L67] EXPR WrapperStruct00.var_1_6 [L67] COND TRUE stepLocal_1 < WrapperStruct00.var_1_6 [L68] WrapperStruct00.var_1_2 [L68] COND FALSE !(WrapperStruct00.var_1_2) [L73] EXPR WrapperStruct00.var_1_8 [L73] WrapperStruct00.var_1_10 = WrapperStruct00.var_1_8 [L78] EXPR WrapperStruct00.var_1_1 [L78] unsigned char stepLocal_4 = WrapperStruct00.var_1_1; [L79] EXPR WrapperStruct00.var_1_9 [L79] EXPR WrapperStruct00.var_1_5 [L79] EXPR WrapperStruct00.var_1_6 [L79] EXPR (WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6 [L79] signed long int stepLocal_3 = (WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6; [L80] EXPR WrapperStruct00.var_1_10 [L80] COND FALSE !(stepLocal_4 > WrapperStruct00.var_1_10) [L85] EXPR WrapperStruct00.var_1_13 [L85] EXPR ((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13) [L85] EXPR WrapperStruct00.var_1_13 [L85] EXPR ((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13) [L85] EXPR WrapperStruct00.var_1_15 [L85] WrapperStruct00.var_1_11 = (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15) [L87] EXPR WrapperStruct00.var_1_15 [L87] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_15 [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR WrapperStruct00.var_1_2 [L121] EXPR WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9)) [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_9 [L121] EXPR WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9)) [L121] EXPR (WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9))) [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_6 [L121] EXPR ((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)) [L121] EXPR WrapperStruct00.var_1_2 [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8)) [L121] EXPR WrapperStruct00.var_1_10 [L121] EXPR WrapperStruct00.var_1_8 [L121] EXPR WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8)) [L121] EXPR ((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)) [L121] EXPR (WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9))) [L121] EXPR ((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15)))) [L121] EXPR WrapperStruct00.var_1_1 [L121] EXPR WrapperStruct00.var_1_10 [L121] EXPR (WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))) [L121] EXPR WrapperStruct00.var_1_11 [L121] EXPR WrapperStruct00.var_1_13 [L121] EXPR ((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13) [L121] EXPR WrapperStruct00.var_1_13 [L121] EXPR ((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13) [L121] EXPR WrapperStruct00.var_1_15 [L121] EXPR (WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))) [L121] EXPR ((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15)))) [L121] EXPR (((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_16 == ((float) WrapperStruct00.var_1_15)) [L121-L122] return (((WrapperStruct00.var_1_2 ? ((last_1_WrapperStruct00_var_1_10 > ((last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5) % WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) > (WrapperStruct00.var_1_9)) ? (((((WrapperStruct00.var_1_7) < (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7) : (WrapperStruct00.var_1_8)))) : (WrapperStruct00.var_1_9))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_9))) && (((WrapperStruct00.var_1_1 + WrapperStruct00.var_1_1) < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_2 ? ((WrapperStruct00.var_1_5 > WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_8))) : (WrapperStruct00.var_1_10 == ((signed long int) WrapperStruct00.var_1_9)))) && ((WrapperStruct00.var_1_1 > WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 <= ((WrapperStruct00.var_1_9 / WrapperStruct00.var_1_5) << WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_11 == ((float) (WrapperStruct00.var_1_13 + WrapperStruct00.var_1_14))) : 1) : (WrapperStruct00.var_1_11 == ((float) (((((WrapperStruct00.var_1_13) < 0 ) ? -(WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_15))))) && (WrapperStruct00.var_1_16 == ((float) WrapperStruct00.var_1_15)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=0] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 [2023-11-23 20:34:03,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire --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 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:34:06,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:34:06,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:34:06,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:34:06,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:34:06,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:34:06,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:34:06,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:34:06,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:34:06,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:34:06,726 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:34:06,726 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:34:06,727 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:34:06,728 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:34:06,728 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:34:06,729 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:34:06,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:34:06,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:34:06,732 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:34:06,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:34:06,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:34:06,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:34:06,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:34:06,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:34:06,736 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:34:06,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:34:06,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:34:06,738 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:34:06,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:34:06,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:34:06,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:34:06,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:34:06,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:34:06,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:34:06,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:06,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:34:06,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:34:06,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:34:06,745 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:34:06,745 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:34:06,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:34:06,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:34:06,747 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:34:06,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:34:06,748 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_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d74a543cee1f351191abd3a7069f7bb4ba76af68915de79e2fa012ba9bfe73 [2023-11-23 20:34:07,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:34:07,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:34:07,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:34:07,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:34:07,241 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:34:07,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-23 20:34:10,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:34:11,025 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:34:11,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i [2023-11-23 20:34:11,037 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data/68933e1ec/9a5c202f61814a439fb40ebecef6bfd7/FLAG17da8157f [2023-11-23 20:34:11,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/data/68933e1ec/9a5c202f61814a439fb40ebecef6bfd7 [2023-11-23 20:34:11,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:34:11,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:34:11,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:11,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:34:11,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:34:11,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@313360d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11, skipping insertion in model container [2023-11-23 20:34:11,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:34:11,310 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_4d302971-8daf-42b7-a45d-8d21655dff76/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-23 20:34:11,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:11,432 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:34:11,448 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_4d302971-8daf-42b7-a45d-8d21655dff76/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-30.i[916,929] [2023-11-23 20:34:11,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:34:11,591 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:34:11,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11 WrapperNode [2023-11-23 20:34:11,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:34:11,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:11,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:34:11,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:34:11,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,709 INFO L138 Inliner]: procedures = 36, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 443 [2023-11-23 20:34:11,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:34:11,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:34:11,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:34:11,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:34:11,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:34:11,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:34:11,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:34:11,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:34:11,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (1/1) ... [2023-11-23 20:34:11,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:34:11,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:34:11,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:34:11,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:34:11,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:34:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:34:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 20:34:11,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:34:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:34:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 20:34:11,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:34:11,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 20:34:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 20:34:11,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 20:34:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:34:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:34:11,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:34:11,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:34:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:34:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 20:34:11,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:34:12,068 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:34:12,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:34:13,281 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:34:13,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:34:13,344 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:34:13,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:13 BoogieIcfgContainer [2023-11-23 20:34:13,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:34:13,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:34:13,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:34:13,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:34:13,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:34:11" (1/3) ... [2023-11-23 20:34:13,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46733ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:13, skipping insertion in model container [2023-11-23 20:34:13,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:34:11" (2/3) ... [2023-11-23 20:34:13,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46733ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:34:13, skipping insertion in model container [2023-11-23 20:34:13,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:34:13" (3/3) ... [2023-11-23 20:34:13,375 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-30.i [2023-11-23 20:34:13,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:34:13,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:34:13,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:34:13,473 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;@12ffd2b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:34:13,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:34:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:34:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:34:13,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:13,506 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:13,507 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:13,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1021171562, now seen corresponding path program 1 times [2023-11-23 20:34:13,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:13,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395865099] [2023-11-23 20:34:13,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:13,534 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 [2023-11-23 20:34:13,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:13,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:13,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:14,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:34:14,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-23 20:34:14,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:14,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:14,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395865099] [2023-11-23 20:34:14,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395865099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:14,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:14,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:34:14,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222663499] [2023-11-23 20:34:14,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:14,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:34:14,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:34:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:14,343 INFO L87 Difference]: Start difference. First operand has 107 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:14,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:14,443 INFO L93 Difference]: Finished difference Result 211 states and 335 transitions. [2023-11-23 20:34:14,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:34:14,446 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2023-11-23 20:34:14,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:14,455 INFO L225 Difference]: With dead ends: 211 [2023-11-23 20:34:14,456 INFO L226 Difference]: Without dead ends: 105 [2023-11-23 20:34:14,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:34:14,463 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:14,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:34:14,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-23 20:34:14,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-11-23 20:34:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 86 states have internal predecessors, (121), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:34:14,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 155 transitions. [2023-11-23 20:34:14,545 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 155 transitions. Word has length 130 [2023-11-23 20:34:14,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:14,546 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 155 transitions. [2023-11-23 20:34:14,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:14,546 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 155 transitions. [2023-11-23 20:34:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:34:14,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:14,550 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:14,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:14,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:14,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:14,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:14,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1596969712, now seen corresponding path program 1 times [2023-11-23 20:34:14,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:14,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502243723] [2023-11-23 20:34:14,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:14,764 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 [2023-11-23 20:34:14,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:14,765 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:14,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:15,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:34:15,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:34:15,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:15,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:15,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502243723] [2023-11-23 20:34:15,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502243723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:15,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:15,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:15,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753562701] [2023-11-23 20:34:15,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:15,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:34:15,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:15,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:34:15,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:34:15,493 INFO L87 Difference]: Start difference. First operand 105 states and 155 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:15,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:15,840 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2023-11-23 20:34:15,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:34:15,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 130 [2023-11-23 20:34:15,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:15,847 INFO L225 Difference]: With dead ends: 218 [2023-11-23 20:34:15,850 INFO L226 Difference]: Without dead ends: 114 [2023-11-23 20:34:15,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:34:15,855 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 10 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:15,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 579 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 20:34:15,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-23 20:34:15,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2023-11-23 20:34:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.3888888888888888) internal successors, (125), 90 states have internal predecessors, (125), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:34:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2023-11-23 20:34:15,888 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 130 [2023-11-23 20:34:15,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:15,893 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2023-11-23 20:34:15,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2023-11-23 20:34:15,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-23 20:34:15,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:15,904 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:15,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:16,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:16,115 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:16,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:16,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1596910130, now seen corresponding path program 1 times [2023-11-23 20:34:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:16,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310567630] [2023-11-23 20:34:16,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:16,118 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 [2023-11-23 20:34:16,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:16,128 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:16,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:16,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:34:16,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:17,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-23 20:34:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 20:34:17,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:17,406 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:17,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310567630] [2023-11-23 20:34:17,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310567630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:17,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:17,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:17,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162684695] [2023-11-23 20:34:17,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:17,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:34:17,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:17,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:34:17,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:17,421 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:19,256 INFO L93 Difference]: Finished difference Result 223 states and 326 transitions. [2023-11-23 20:34:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 20:34:19,258 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2023-11-23 20:34:19,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:19,262 INFO L225 Difference]: With dead ends: 223 [2023-11-23 20:34:19,262 INFO L226 Difference]: Without dead ends: 115 [2023-11-23 20:34:19,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-23 20:34:19,266 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 107 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:19,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 422 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 20:34:19,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-23 20:34:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2023-11-23 20:34:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.3777777777777778) internal successors, (124), 90 states have internal predecessors, (124), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:34:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 158 transitions. [2023-11-23 20:34:19,288 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 158 transitions. Word has length 130 [2023-11-23 20:34:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:19,289 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 158 transitions. [2023-11-23 20:34:19,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 158 transitions. [2023-11-23 20:34:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 20:34:19,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:19,293 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:19,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-23 20:34:19,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:19,507 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:19,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:19,508 INFO L85 PathProgramCache]: Analyzing trace with hash -730038262, now seen corresponding path program 1 times [2023-11-23 20:34:19,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:19,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178858177] [2023-11-23 20:34:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:19,511 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 [2023-11-23 20:34:19,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:19,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:19,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:19,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:34:20,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-23 20:34:20,097 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:20,097 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:20,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178858177] [2023-11-23 20:34:20,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178858177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:20,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:20,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:34:20,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547444465] [2023-11-23 20:34:20,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:20,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:34:20,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:20,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:34:20,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:20,102 INFO L87 Difference]: Start difference. First operand 109 states and 158 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:20,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:20,661 INFO L93 Difference]: Finished difference Result 221 states and 320 transitions. [2023-11-23 20:34:20,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 20:34:20,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 132 [2023-11-23 20:34:20,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:20,671 INFO L225 Difference]: With dead ends: 221 [2023-11-23 20:34:20,671 INFO L226 Difference]: Without dead ends: 111 [2023-11-23 20:34:20,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:34:20,676 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 7 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:20,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 602 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 20:34:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-23 20:34:20,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2023-11-23 20:34:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 90 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 20:34:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2023-11-23 20:34:20,700 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 132 [2023-11-23 20:34:20,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:20,701 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2023-11-23 20:34:20,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2023-11-23 20:34:20,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 20:34:20,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:20,704 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:20,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:20,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:20,926 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:20,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:20,927 INFO L85 PathProgramCache]: Analyzing trace with hash -870586872, now seen corresponding path program 1 times [2023-11-23 20:34:20,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:20,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764131081] [2023-11-23 20:34:20,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:20,928 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 [2023-11-23 20:34:20,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:20,934 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:20,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:21,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:34:21,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:21,895 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 [2023-11-23 20:34:21,907 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 19 treesize of output 19 [2023-11-23 20:34:21,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:21,960 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 37 treesize of output 33 [2023-11-23 20:34:22,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:22,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 50 treesize of output 18 [2023-11-23 20:34:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:34:22,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:22,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:22,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764131081] [2023-11-23 20:34:22,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764131081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:22,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:22,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:22,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40824135] [2023-11-23 20:34:22,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:22,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:34:22,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:22,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:34:22,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:34:22,100 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:25,469 INFO L93 Difference]: Finished difference Result 362 states and 516 transitions. [2023-11-23 20:34:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 20:34:25,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2023-11-23 20:34:25,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:25,474 INFO L225 Difference]: With dead ends: 362 [2023-11-23 20:34:25,474 INFO L226 Difference]: Without dead ends: 254 [2023-11-23 20:34:25,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:34:25,477 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 173 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:25,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 431 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-23 20:34:25,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-11-23 20:34:25,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 183. [2023-11-23 20:34:25,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 151 states have (on average 1.3576158940397351) internal successors, (205), 152 states have internal predecessors, (205), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 20:34:25,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 263 transitions. [2023-11-23 20:34:25,514 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 263 transitions. Word has length 132 [2023-11-23 20:34:25,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:25,515 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 263 transitions. [2023-11-23 20:34:25,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 263 transitions. [2023-11-23 20:34:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 20:34:25,519 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:25,519 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:25,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:25,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:25,736 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:25,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:25,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1033480732, now seen corresponding path program 1 times [2023-11-23 20:34:25,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:25,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77001307] [2023-11-23 20:34:25,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:25,739 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 [2023-11-23 20:34:25,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:25,740 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:25,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:26,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-23 20:34:26,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:26,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 20:34:27,089 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 30 treesize of output 14 [2023-11-23 20:34:27,202 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 30 treesize of output 14 [2023-11-23 20:34:27,292 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 30 treesize of output 14 [2023-11-23 20:34:27,405 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 30 treesize of output 23 [2023-11-23 20:34:27,483 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:27,483 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 42 treesize of output 38 [2023-11-23 20:34:27,648 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:27,649 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 52 treesize of output 42 [2023-11-23 20:34:27,695 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:27,695 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 52 treesize of output 42 [2023-11-23 20:34:27,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:27,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 77 treesize of output 41 [2023-11-23 20:34:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-23 20:34:27,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:27,834 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:27,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77001307] [2023-11-23 20:34:27,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77001307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:27,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:27,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 20:34:27,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792875733] [2023-11-23 20:34:27,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:27,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:34:27,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:27,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:34:27,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:34:27,837 INFO L87 Difference]: Start difference. First operand 183 states and 263 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:32,211 INFO L93 Difference]: Finished difference Result 478 states and 681 transitions. [2023-11-23 20:34:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 20:34:32,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 133 [2023-11-23 20:34:32,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:32,215 INFO L225 Difference]: With dead ends: 478 [2023-11-23 20:34:32,216 INFO L226 Difference]: Without dead ends: 296 [2023-11-23 20:34:32,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2023-11-23 20:34:32,218 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 493 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:32,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 426 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 20:34:32,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2023-11-23 20:34:32,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 185. [2023-11-23 20:34:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 153 states have (on average 1.3529411764705883) internal successors, (207), 154 states have internal predecessors, (207), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 20:34:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 265 transitions. [2023-11-23 20:34:32,252 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 265 transitions. Word has length 133 [2023-11-23 20:34:32,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:32,252 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 265 transitions. [2023-11-23 20:34:32,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 265 transitions. [2023-11-23 20:34:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 20:34:32,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:32,255 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:32,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:32,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:32,469 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:32,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:32,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1725854831, now seen corresponding path program 1 times [2023-11-23 20:34:32,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:32,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085433757] [2023-11-23 20:34:32,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:32,470 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 [2023-11-23 20:34:32,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:32,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:32,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:33,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-23 20:34:33,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:33,088 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 [2023-11-23 20:34:33,182 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 31 treesize of output 15 [2023-11-23 20:34:33,304 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 31 treesize of output 15 [2023-11-23 20:34:33,413 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 26 treesize of output 25 [2023-11-23 20:34:33,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:33,629 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 36 treesize of output 38 [2023-11-23 20:34:33,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:33,939 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 51 treesize of output 41 [2023-11-23 20:34:34,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:34,201 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 51 treesize of output 41 [2023-11-23 20:34:34,373 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:34,373 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 51 treesize of output 41 [2023-11-23 20:34:34,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:34,549 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 51 treesize of output 41 [2023-11-23 20:34:35,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:35,002 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 64 treesize of output 66 [2023-11-23 20:34:35,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:35,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 69 [2023-11-23 20:34:35,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 69 [2023-11-23 20:34:35,318 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:35,319 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 70 treesize of output 28 [2023-11-23 20:34:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 350 proven. 45 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-23 20:34:35,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:34:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:34:35,654 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:35,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085433757] [2023-11-23 20:34:35,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085433757] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 20:34:35,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 20:34:35,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-11-23 20:34:35,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685295532] [2023-11-23 20:34:35,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:35,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:34:35,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:35,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:34:35,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-11-23 20:34:35,662 INFO L87 Difference]: Start difference. First operand 185 states and 265 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:37,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:37,616 INFO L93 Difference]: Finished difference Result 391 states and 558 transitions. [2023-11-23 20:34:37,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:37,617 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 133 [2023-11-23 20:34:37,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:37,621 INFO L225 Difference]: With dead ends: 391 [2023-11-23 20:34:37,621 INFO L226 Difference]: Without dead ends: 207 [2023-11-23 20:34:37,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:34:37,623 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 100 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:37,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 484 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-23 20:34:37,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-23 20:34:37,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 185. [2023-11-23 20:34:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 153 states have (on average 1.34640522875817) internal successors, (206), 154 states have internal predecessors, (206), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 20:34:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 264 transitions. [2023-11-23 20:34:37,651 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 264 transitions. Word has length 133 [2023-11-23 20:34:37,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:37,652 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 264 transitions. [2023-11-23 20:34:37,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 264 transitions. [2023-11-23 20:34:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 20:34:37,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:37,655 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:37,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:37,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:37,868 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:37,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:37,869 INFO L85 PathProgramCache]: Analyzing trace with hash -863378447, now seen corresponding path program 1 times [2023-11-23 20:34:37,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:37,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138825020] [2023-11-23 20:34:37,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:37,869 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 [2023-11-23 20:34:37,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:37,870 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-23 20:34:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:38,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 20:34:38,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:38,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 20:34:38,627 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 30 treesize of output 14 [2023-11-23 20:34:38,692 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 30 treesize of output 14 [2023-11-23 20:34:38,764 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 30 treesize of output 14 [2023-11-23 20:34:38,848 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 30 treesize of output 23 [2023-11-23 20:34:38,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:38,903 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 42 treesize of output 38 [2023-11-23 20:34:39,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:39,024 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 57 treesize of output 41 [2023-11-23 20:34:39,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:39,056 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 57 treesize of output 41 [2023-11-23 20:34:39,247 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2023-11-23 20:34:39,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:39,247 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:39,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138825020] [2023-11-23 20:34:39,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138825020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:39,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:39,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 20:34:39,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112658151] [2023-11-23 20:34:39,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:39,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 20:34:39,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:39,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 20:34:39,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:34:39,249 INFO L87 Difference]: Start difference. First operand 185 states and 264 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:43,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:43,690 INFO L93 Difference]: Finished difference Result 454 states and 642 transitions. [2023-11-23 20:34:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-23 20:34:43,691 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 135 [2023-11-23 20:34:43,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:43,694 INFO L225 Difference]: With dead ends: 454 [2023-11-23 20:34:43,694 INFO L226 Difference]: Without dead ends: 270 [2023-11-23 20:34:43,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:34:43,695 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 421 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:43,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 490 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 640 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-11-23 20:34:43,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2023-11-23 20:34:43,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 205. [2023-11-23 20:34:43,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 173 states have (on average 1.3526011560693643) internal successors, (234), 174 states have internal predecessors, (234), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 20:34:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 292 transitions. [2023-11-23 20:34:43,732 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 292 transitions. Word has length 135 [2023-11-23 20:34:43,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:43,733 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 292 transitions. [2023-11-23 20:34:43,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 20:34:43,733 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 292 transitions. [2023-11-23 20:34:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 20:34:43,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:43,736 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:43,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:43,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:43,951 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:43,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:43,952 INFO L85 PathProgramCache]: Analyzing trace with hash -868546024, now seen corresponding path program 1 times [2023-11-23 20:34:43,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:43,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996676601] [2023-11-23 20:34:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:43,952 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 [2023-11-23 20:34:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:43,953 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:43,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 (10)] Waiting until timeout for monitored process [2023-11-23 20:34:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:44,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:34:44,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 20:34:44,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:34:44,491 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:34:44,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996676601] [2023-11-23 20:34:44,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996676601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:34:44,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:34:44,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 20:34:44,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701532663] [2023-11-23 20:34:44,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:34:44,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 20:34:44,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:34:44,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 20:34:44,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:34:44,494 INFO L87 Difference]: Start difference. First operand 205 states and 292 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:44,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:34:44,656 INFO L93 Difference]: Finished difference Result 460 states and 654 transitions. [2023-11-23 20:34:44,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:34:44,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2023-11-23 20:34:44,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:34:44,660 INFO L225 Difference]: With dead ends: 460 [2023-11-23 20:34:44,660 INFO L226 Difference]: Without dead ends: 256 [2023-11-23 20:34:44,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:34:44,662 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 61 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:34:44,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 609 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:34:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2023-11-23 20:34:44,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 210. [2023-11-23 20:34:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 178 states have (on average 1.3426966292134832) internal successors, (239), 179 states have internal predecessors, (239), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 20:34:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 297 transitions. [2023-11-23 20:34:44,686 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 297 transitions. Word has length 135 [2023-11-23 20:34:44,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:34:44,686 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 297 transitions. [2023-11-23 20:34:44,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-23 20:34:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2023-11-23 20:34:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 20:34:44,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:34:44,689 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:34:44,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 (10)] Forceful destruction successful, exit code 0 [2023-11-23 20:34:44,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:34:44,902 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:34:44,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:34:44,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1428595558, now seen corresponding path program 1 times [2023-11-23 20:34:44,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:34:44,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [283145786] [2023-11-23 20:34:44,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:34:44,904 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 [2023-11-23 20:34:44,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:34:44,906 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:34:44,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d302971-8daf-42b7-a45d-8d21655dff76/bin/utaipan-verify-mE87zJ7Ire/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 (11)] Waiting until timeout for monitored process [2023-11-23 20:34:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:34:45,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-23 20:34:45,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:34:45,613 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 [2023-11-23 20:34:45,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-23 20:34:45,700 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 30 treesize of output 14 [2023-11-23 20:34:45,779 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 30 treesize of output 14 [2023-11-23 20:34:45,853 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 30 treesize of output 14 [2023-11-23 20:34:45,907 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 30 treesize of output 14 [2023-11-23 20:34:45,961 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 30 treesize of output 14 [2023-11-23 20:34:46,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:46,036 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 30 treesize of output 32 [2023-11-23 20:34:46,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 20:34:46,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 73