./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91 --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 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:50,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:50,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:14:50,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:50,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:50,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:50,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:50,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:50,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:50,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:50,244 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:50,245 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:50,245 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:50,246 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:50,246 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:50,247 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:50,247 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:50,248 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:50,248 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:50,249 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:50,249 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:50,250 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:50,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:50,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:50,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:50,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:50,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:50,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:50,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:50,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:50,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:50,255 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:50,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:50,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:50,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:50,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:50,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:50,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:50,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:50,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:50,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:50,259 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:50,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:50,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:50,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:50,260 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:50,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:50,260 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_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 [2023-11-24 23:14:50,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:50,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:50,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:50,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:50,538 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:50,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-24 23:14:53,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:53,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:53,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-24 23:14:54,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data/8501c0ae3/e9ce9579b82c40279c7ae81f9177aba0/FLAG02a58ec0c [2023-11-24 23:14:54,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data/8501c0ae3/e9ce9579b82c40279c7ae81f9177aba0 [2023-11-24 23:14:54,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:54,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:54,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:54,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:54,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:54,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ef0ba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54, skipping insertion in model container [2023-11-24 23:14:54,034 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:54,248 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_f1f43e37-f575-4136-bd2b-cbc2427245b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-24 23:14:54,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:54,356 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:54,369 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_f1f43e37-f575-4136-bd2b-cbc2427245b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-24 23:14:54,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:54,455 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:54,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54 WrapperNode [2023-11-24 23:14:54,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:54,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:54,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:54,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:54,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,562 INFO L138 Inliner]: procedures = 29, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 448 [2023-11-24 23:14:54,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:54,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:54,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:54,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:54,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:54,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:54,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:54,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:54,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:54,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:54,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:54,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:14:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:14:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:14:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:14:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:14:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:54,909 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:54,912 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:55,657 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:56,552 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:56,552 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:56,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:56 BoogieIcfgContainer [2023-11-24 23:14:56,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:56,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:56,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:56,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:56,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:54" (1/3) ... [2023-11-24 23:14:56,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff3a777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:56, skipping insertion in model container [2023-11-24 23:14:56,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (2/3) ... [2023-11-24 23:14:56,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff3a777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:56, skipping insertion in model container [2023-11-24 23:14:56,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:56" (3/3) ... [2023-11-24 23:14:56,563 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-2.i [2023-11-24 23:14:56,582 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:56,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:56,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:56,653 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;@523e3361, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:56,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:14:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:14:56,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:56,674 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:56,675 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:56,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:56,682 INFO L85 PathProgramCache]: Analyzing trace with hash -108621286, now seen corresponding path program 1 times [2023-11-24 23:14:56,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:56,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143308154] [2023-11-24 23:14:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:56,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:56,981 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:14:56,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389016734] [2023-11-24 23:14:56,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:56,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:14:56,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:56,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:14:57,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:14:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:58,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:59,847 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:59,850 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:59,851 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:14:59,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:00,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:15:00,083 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:15:00,088 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:15:00,139 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:15:00,141 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-24 23:15:00,142 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:15:00,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:15:00,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-24 23:15:00,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:15:00,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:15:00,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:15:00,174 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:15:00,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:15:00,175 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:15:00,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-24 23:15:00,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-24 23:15:00,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:15:00,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-24 23:15:00,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-24 23:15:00,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:15:00,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:15:00,178 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:15:00,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:15:00,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:15:00,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:15:00,179 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:15:00,180 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:15:00,181 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:15:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-24 23:15:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-24 23:15:00,182 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-24 23:15:00,188 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:15:00,189 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:15:00,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:15:00,192 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-24 23:15:00,194 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:15:00,195 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-24 23:15:00,197 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:15:00,198 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:15:00,199 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:15:00,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:15:00,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:15:00,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:15:00,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:15:00,204 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-24 23:15:00,208 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:15:00,208 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:15:00,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:15:00,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:15:00,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:15:00,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:15:00,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:15:00 BoogieIcfgContainer [2023-11-24 23:15:00,234 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:15:00,235 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:15:00,235 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:15:00,235 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:15:00,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:56" (3/4) ... [2023-11-24 23:15:00,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:15:00,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:15:00,240 INFO L158 Benchmark]: Toolchain (without parser) took 6217.17ms. Allocated memory is still 199.2MB. Free memory was 165.6MB in the beginning and 152.5MB in the end (delta: 13.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-24 23:15:00,241 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:15:00,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.51ms. Allocated memory is still 199.2MB. Free memory was 165.6MB in the beginning and 149.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:15:00,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.56ms. Allocated memory is still 199.2MB. Free memory was 149.1MB in the beginning and 144.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:15:00,243 INFO L158 Benchmark]: Boogie Preprocessor took 68.64ms. Allocated memory is still 199.2MB. Free memory was 144.9MB in the beginning and 141.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:15:00,243 INFO L158 Benchmark]: RCFGBuilder took 1918.10ms. Allocated memory is still 199.2MB. Free memory was 141.4MB in the beginning and 142.3MB in the end (delta: -927.5kB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2023-11-24 23:15:00,244 INFO L158 Benchmark]: TraceAbstraction took 3677.42ms. Allocated memory is still 199.2MB. Free memory was 141.3MB in the beginning and 153.6MB in the end (delta: -12.3MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2023-11-24 23:15:00,245 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 199.2MB. Free memory was 153.6MB in the beginning and 152.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:15:00,250 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 142.6MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.51ms. Allocated memory is still 199.2MB. Free memory was 165.6MB in the beginning and 149.8MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.56ms. Allocated memory is still 199.2MB. Free memory was 149.1MB in the beginning and 144.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.64ms. Allocated memory is still 199.2MB. Free memory was 144.9MB in the beginning and 141.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1918.10ms. Allocated memory is still 199.2MB. Free memory was 141.4MB in the beginning and 142.3MB in the end (delta: -927.5kB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3677.42ms. Allocated memory is still 199.2MB. Free memory was 141.3MB in the beginning and 153.6MB in the end (delta: -12.3MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 199.2MB. Free memory was 153.6MB in the beginning and 152.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 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~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 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 54, overapproximation of shiftLeft at line 40, overapproximation of someUnaryDOUBLEoperation at line 26. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] float float_Array_0[3] = { 9.125, 50.5, -0.6 }; [L28-L30] unsigned short int unsigned_short_int_Array_0[2][3] = { {8, 32, 200}, {1, 56955, 10} }; [L31] unsigned short int last_1_unsigned_short_int_Array_0_0__0_ = 8; [L32] unsigned short int last_1_unsigned_short_int_Array_0_1__2_ = 10; [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] CALL updateLastVariables() [L84] EXPR unsigned_short_int_Array_0[0][0] [L84] last_1_unsigned_short_int_Array_0_0__0_ = unsigned_short_int_Array_0[0][0] [L85] EXPR unsigned_short_int_Array_0[1][2] [L85] last_1_unsigned_short_int_Array_0_1__2_ = unsigned_short_int_Array_0[1][2] [L95] RET updateLastVariables() [L96] CALL updateVariables() [L63] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L64] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L65] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L65] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L66] float_Array_0[0] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[0] [L67] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L67] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) [L67] EXPR float_Array_0[0] [L67] EXPR float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F [L67] EXPR float_Array_0[0] [L67] EXPR float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F [L67] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L67] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L68] float_Array_0[1] = __VERIFIER_nondet_float() [L69] EXPR float_Array_0[1] [L69] EXPR float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F [L69] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) [L69] EXPR float_Array_0[1] [L69] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L69] EXPR float_Array_0[1] [L69] EXPR float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F [L69] EXPR (float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L69] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854765600e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854765600e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L70] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L71] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L71] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L72] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L72] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L73] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L74] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L74] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L75] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L75] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L76] unsigned_short_int_Array_0[1][1] = __VERIFIER_nondet_ushort() [L77] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L77] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L78] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L78] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L79] unsigned_short_int_Array_0[0][2] = __VERIFIER_nondet_ushort() [L80] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L80] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(unsigned_short_int_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L81] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L81] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(unsigned_short_int_Array_0[0][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L96] RET updateVariables() [L97] CALL step() [L36] COND TRUE last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_) [L37] EXPR unsigned_short_int_Array_0[0][2] [L37] EXPR unsigned_short_int_Array_0[1][1] [L37] EXPR unsigned_short_int_Array_0[0][1] [L37] EXPR unsigned_short_int_Array_0[1][0] [L37] EXPR (((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]) [L37] EXPR unsigned_short_int_Array_0[1][0] [L37] EXPR (((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]) [L37] EXPR ((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))) [L37] EXPR unsigned_short_int_Array_0[0][2] [L37] EXPR ((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))) [L37] unsigned_short_int_Array_0[1][2] = ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))) [L39] EXPR BOOL_unsigned_char_Array_0[0] [L39] BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0]) [L39] EXPR unsigned_short_int_Array_0[1][1] [L39] EXPR unsigned_short_int_Array_0[1][0] [L39] BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0]) [L39] COND FALSE !(BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) [L50] EXPR unsigned_short_int_Array_0[1][1] [L50] unsigned_short_int_Array_0[0][0] = unsigned_short_int_Array_0[1][1] [L52] EXPR unsigned_short_int_Array_0[0][1] [L52] EXPR unsigned_short_int_Array_0[1][1] [L52] COND FALSE !(unsigned_short_int_Array_0[0][1] != unsigned_short_int_Array_0[1][1]) [L59] EXPR float_Array_0[0] [L59] float_Array_0[2] = float_Array_0[0] [L97] RET step() [L98] CALL, EXPR property() [L88] EXPR (last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? (unsigned_short_int_Array_0[1][2] == ((unsigned short int) ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))))) : 1 [L88] EXPR unsigned_short_int_Array_0[1][2] [L88] EXPR unsigned_short_int_Array_0[0][2] [L88] EXPR unsigned_short_int_Array_0[1][1] [L88] EXPR unsigned_short_int_Array_0[0][1] [L88] EXPR unsigned_short_int_Array_0[1][0] [L88] EXPR (((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]) [L88] EXPR unsigned_short_int_Array_0[1][0] [L88] EXPR (((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]) [L88] EXPR ((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))) [L88] EXPR unsigned_short_int_Array_0[0][2] [L88] EXPR ((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))) [L88] EXPR (last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? (unsigned_short_int_Array_0[1][2] == ((unsigned short int) ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))))) : 1 [L88] EXPR ((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? (unsigned_short_int_Array_0[1][2] == ((unsigned short int) ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))))) : 1) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] <= (((((0) < (unsigned_short_int_Array_0[1][2])) ? (0) : (unsigned_short_int_Array_0[1][2]))) << unsigned_short_int_Array_0[1][2])) ? ((BOOL_unsigned_char_Array_0[0] && (unsigned_short_int_Array_0[1][2] == (unsigned_short_int_Array_0[1][1] * unsigned_short_int_Array_0[0][2]))) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) 2))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[1][1]))) [L88] EXPR BOOL_unsigned_char_Array_0[0] [L88] EXPR BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0]) [L88] EXPR unsigned_short_int_Array_0[1][1] [L88] EXPR unsigned_short_int_Array_0[1][0] [L88] EXPR BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0]) [L88] EXPR (BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] <= (((((0) < (unsigned_short_int_Array_0[1][2])) ? (0) : (unsigned_short_int_Array_0[1][2]))) << unsigned_short_int_Array_0[1][2])) ? ((BOOL_unsigned_char_Array_0[0] && (unsigned_short_int_Array_0[1][2] == (unsigned_short_int_Array_0[1][1] * unsigned_short_int_Array_0[0][2]))) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) 2))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[1][1])) [L88] EXPR unsigned_short_int_Array_0[0][0] [L88] EXPR unsigned_short_int_Array_0[1][1] [L88] EXPR (BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] <= (((((0) < (unsigned_short_int_Array_0[1][2])) ? (0) : (unsigned_short_int_Array_0[1][2]))) << unsigned_short_int_Array_0[1][2])) ? ((BOOL_unsigned_char_Array_0[0] && (unsigned_short_int_Array_0[1][2] == (unsigned_short_int_Array_0[1][1] * unsigned_short_int_Array_0[0][2]))) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) 2))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[1][1])) [L88] EXPR ((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? (unsigned_short_int_Array_0[1][2] == ((unsigned short int) ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))))) : 1) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] <= (((((0) < (unsigned_short_int_Array_0[1][2])) ? (0) : (unsigned_short_int_Array_0[1][2]))) << unsigned_short_int_Array_0[1][2])) ? ((BOOL_unsigned_char_Array_0[0] && (unsigned_short_int_Array_0[1][2] == (unsigned_short_int_Array_0[1][1] * unsigned_short_int_Array_0[0][2]))) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) 2))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[1][1]))) [L88] EXPR (((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? (unsigned_short_int_Array_0[1][2] == ((unsigned short int) ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))))) : 1) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] <= (((((0) < (unsigned_short_int_Array_0[1][2])) ? (0) : (unsigned_short_int_Array_0[1][2]))) << unsigned_short_int_Array_0[1][2])) ? ((BOOL_unsigned_char_Array_0[0] && (unsigned_short_int_Array_0[1][2] == (unsigned_short_int_Array_0[1][1] * unsigned_short_int_Array_0[0][2]))) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) 2))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[1][1])))) && ((unsigned_short_int_Array_0[0][1] != unsigned_short_int_Array_0[1][1]) ? ((unsigned_short_int_Array_0[0][1] <= unsigned_short_int_Array_0[0][0]) ? (float_Array_0[2] == ((float) ((((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]))))) : (float_Array_0[2] == ((float) float_Array_0[0]))) : (float_Array_0[2] == ((float) float_Array_0[0]))) [L88] EXPR unsigned_short_int_Array_0[0][1] [L88] EXPR unsigned_short_int_Array_0[1][1] [L88] EXPR (unsigned_short_int_Array_0[0][1] != unsigned_short_int_Array_0[1][1]) ? ((unsigned_short_int_Array_0[0][1] <= unsigned_short_int_Array_0[0][0]) ? (float_Array_0[2] == ((float) ((((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]))))) : (float_Array_0[2] == ((float) float_Array_0[0]))) : (float_Array_0[2] == ((float) float_Array_0[0])) [L88] EXPR float_Array_0[2] [L88] EXPR float_Array_0[0] [L88] EXPR (unsigned_short_int_Array_0[0][1] != unsigned_short_int_Array_0[1][1]) ? ((unsigned_short_int_Array_0[0][1] <= unsigned_short_int_Array_0[0][0]) ? (float_Array_0[2] == ((float) ((((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]))))) : (float_Array_0[2] == ((float) float_Array_0[0]))) : (float_Array_0[2] == ((float) float_Array_0[0])) [L88] EXPR (((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? (unsigned_short_int_Array_0[1][2] == ((unsigned short int) ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))))) : 1) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] <= (((((0) < (unsigned_short_int_Array_0[1][2])) ? (0) : (unsigned_short_int_Array_0[1][2]))) << unsigned_short_int_Array_0[1][2])) ? ((BOOL_unsigned_char_Array_0[0] && (unsigned_short_int_Array_0[1][2] == (unsigned_short_int_Array_0[1][1] * unsigned_short_int_Array_0[0][2]))) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) 2))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[1][1])))) && ((unsigned_short_int_Array_0[0][1] != unsigned_short_int_Array_0[1][1]) ? ((unsigned_short_int_Array_0[0][1] <= unsigned_short_int_Array_0[0][0]) ? (float_Array_0[2] == ((float) ((((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]))))) : (float_Array_0[2] == ((float) float_Array_0[0]))) : (float_Array_0[2] == ((float) float_Array_0[0]))) [L88-L89] return (((last_1_unsigned_short_int_Array_0_0__0_ <= (last_1_unsigned_short_int_Array_0_0__0_ * last_1_unsigned_short_int_Array_0_1__2_)) ? (unsigned_short_int_Array_0[1][2] == ((unsigned short int) ((((unsigned_short_int_Array_0[0][2]) > ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0]))))) ? (unsigned_short_int_Array_0[0][2]) : ((((((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) > (unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] - unsigned_short_int_Array_0[0][1])) : (unsigned_short_int_Array_0[1][0])))))))) : 1) && ((BOOL_unsigned_char_Array_0[0] || (unsigned_short_int_Array_0[1][1] == unsigned_short_int_Array_0[1][0])) ? ((unsigned_short_int_Array_0[1][1] <= (((((0) < (unsigned_short_int_Array_0[1][2])) ? (0) : (unsigned_short_int_Array_0[1][2]))) << unsigned_short_int_Array_0[1][2])) ? ((BOOL_unsigned_char_Array_0[0] && (unsigned_short_int_Array_0[1][2] == (unsigned_short_int_Array_0[1][1] * unsigned_short_int_Array_0[0][2]))) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) 2))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[1][1])))) && ((unsigned_short_int_Array_0[0][1] != unsigned_short_int_Array_0[1][1]) ? ((unsigned_short_int_Array_0[0][1] <= unsigned_short_int_Array_0[0][0]) ? (float_Array_0[2] == ((float) ((((float_Array_0[0]) > (float_Array_0[1])) ? (float_Array_0[0]) : (float_Array_0[1]))))) : (float_Array_0[2] == ((float) float_Array_0[0]))) : (float_Array_0[2] == ((float) float_Array_0[0]))) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_0__0_=8, last_1_unsigned_short_int_Array_0_1__2_=10, unsigned_short_int_Array_0={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:15:00,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91 --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 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:03,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:03,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:15:03,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:03,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:03,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:03,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:03,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:03,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:03,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:03,363 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:03,363 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:03,364 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:03,365 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:03,366 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:03,366 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:03,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:03,368 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:03,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:15:03,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:15:03,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:03,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:03,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:03,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:03,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:15:03,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:15:03,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:15:03,372 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:15:03,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:03,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:03,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:03,375 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:15:03,375 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:03,375 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:03,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:03,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:03,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:03,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:03,377 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:15:03,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:15:03,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:03,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:03,378 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:03,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:03,379 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_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c2afc665f9ec9bbf6f489827c9a63486fda067f850cc8b511cbd83d8b773bd8 [2023-11-24 23:15:03,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:03,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:03,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:03,849 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:03,850 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:03,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-24 23:15:07,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:07,299 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:07,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i [2023-11-24 23:15:07,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data/78f8504b6/4a9a8435a5704ceea7133581b3ab25aa/FLAG0aa1719a0 [2023-11-24 23:15:07,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/data/78f8504b6/4a9a8435a5704ceea7133581b3ab25aa [2023-11-24 23:15:07,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:07,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:07,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:07,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:07,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:07,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:07,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e586a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07, skipping insertion in model container [2023-11-24 23:15:07,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:07,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:07,587 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_f1f43e37-f575-4136-bd2b-cbc2427245b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-24 23:15:07,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:07,742 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:15:07,759 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_f1f43e37-f575-4136-bd2b-cbc2427245b6/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-2.i[915,928] [2023-11-24 23:15:07,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:07,882 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:15:07,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07 WrapperNode [2023-11-24 23:15:07,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:07,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:07,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:15:07,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:15:07,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:07,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:07,983 INFO L138 Inliner]: procedures = 33, calls = 157, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 439 [2023-11-24 23:15:07,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:07,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:15:07,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:15:07,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:15:08,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:15:08,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:15:08,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:15:08,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:15:08,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (1/1) ... [2023-11-24 23:15:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:08,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:08,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:15:08,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:15:08,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:15:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:15:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:15:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:15:08,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:15:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:15:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:15:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:15:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:15:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:15:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:15:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:15:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:15:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:15:08,335 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:15:08,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:09,149 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:15:09,206 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:15:09,206 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:15:09,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:09 BoogieIcfgContainer [2023-11-24 23:15:09,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:15:09,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:15:09,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:15:09,213 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:15:09,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:15:07" (1/3) ... [2023-11-24 23:15:09,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ca0666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:09, skipping insertion in model container [2023-11-24 23:15:09,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:07" (2/3) ... [2023-11-24 23:15:09,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ca0666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:15:09, skipping insertion in model container [2023-11-24 23:15:09,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:15:09" (3/3) ... [2023-11-24 23:15:09,216 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-2.i [2023-11-24 23:15:09,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:15:09,238 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:15:09,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:15:09,299 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;@b1b80d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:15:09,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:15:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 78 states have (on average 1.5) internal successors, (117), 79 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:15:09,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-24 23:15:09,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:09,320 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:09,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:09,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:09,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1066254861, now seen corresponding path program 1 times [2023-11-24 23:15:09,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:09,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410959003] [2023-11-24 23:15:09,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:09,346 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 [2023-11-24 23:15:09,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:09,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:09,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:09,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:15:09,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-24 23:15:09,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:09,779 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:09,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410959003] [2023-11-24 23:15:09,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410959003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:09,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:09,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:15:09,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202076772] [2023-11-24 23:15:09,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:09,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:15:09,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:09,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:15:09,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:15:09,832 INFO L87 Difference]: Start difference. First operand has 93 states, 78 states have (on average 1.5) internal successors, (117), 79 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:15:09,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:09,917 INFO L93 Difference]: Finished difference Result 183 states and 292 transitions. [2023-11-24 23:15:09,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:15:09,920 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2023-11-24 23:15:09,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:09,932 INFO L225 Difference]: With dead ends: 183 [2023-11-24 23:15:09,932 INFO L226 Difference]: Without dead ends: 91 [2023-11-24 23:15:09,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:15:09,944 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:09,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:15:09,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-24 23:15:09,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-24 23:15:09,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-24 23:15:09,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2023-11-24 23:15:09,996 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 95 [2023-11-24 23:15:09,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:09,996 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2023-11-24 23:15:09,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:15:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2023-11-24 23:15:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-24 23:15:10,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:10,002 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:10,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:10,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:10,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:10,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:10,208 INFO L85 PathProgramCache]: Analyzing trace with hash -43150623, now seen corresponding path program 1 times [2023-11-24 23:15:10,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:10,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485885329] [2023-11-24 23:15:10,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:10,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:15:10,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:10,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:10,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:10,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:15:10,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:10,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:10,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 17 [2023-11-24 23:15:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:15:11,388 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:11,389 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:11,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485885329] [2023-11-24 23:15:11,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485885329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:11,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:11,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:15:11,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789793907] [2023-11-24 23:15:11,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:11,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:15:11,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:11,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:15:11,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:15:11,400 INFO L87 Difference]: Start difference. First operand 91 states and 136 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:11,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:11,988 INFO L93 Difference]: Finished difference Result 272 states and 407 transitions. [2023-11-24 23:15:11,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-24 23:15:11,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 95 [2023-11-24 23:15:11,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:11,993 INFO L225 Difference]: With dead ends: 272 [2023-11-24 23:15:11,993 INFO L226 Difference]: Without dead ends: 182 [2023-11-24 23:15:11,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:15:11,998 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 81 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:11,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 321 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-24 23:15:12,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-24 23:15:12,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2023-11-24 23:15:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.4274193548387097) internal successors, (177), 124 states have internal predecessors, (177), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:15:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 225 transitions. [2023-11-24 23:15:12,029 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 225 transitions. Word has length 95 [2023-11-24 23:15:12,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:12,030 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 225 transitions. [2023-11-24 23:15:12,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2023-11-24 23:15:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 23:15:12,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:12,034 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:12,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:12,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:12,241 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:12,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:12,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1393303032, now seen corresponding path program 1 times [2023-11-24 23:15:12,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:12,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179590313] [2023-11-24 23:15:12,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:12,244 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 [2023-11-24 23:15:12,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:12,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:12,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:12,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 23:15:12,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:12,992 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 19 treesize of output 1 [2023-11-24 23:15:13,231 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 [2023-11-24 23:15:13,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:13,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-24 23:15:13,998 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:13,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2023-11-24 23:15:14,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:14,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2023-11-24 23:15:14,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 49 [2023-11-24 23:15:14,714 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:14,715 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 101 treesize of output 43 [2023-11-24 23:15:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 137 proven. 12 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-24 23:15:14,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:15:16,687 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:16,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179590313] [2023-11-24 23:15:16,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179590313] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:15:16,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1701771661] [2023-11-24 23:15:16,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:16,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:15:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:15:16,696 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:15:16,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:15:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:17,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 23:15:17,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:18,119 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 [2023-11-24 23:15:18,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-11-24 23:15:18,683 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:15:18,684 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:18,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1701771661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:18,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:15:18,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2023-11-24 23:15:18,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105536215] [2023-11-24 23:15:18,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:18,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 23:15:18,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:18,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 23:15:18,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=367, Unknown=1, NotChecked=0, Total=462 [2023-11-24 23:15:18,691 INFO L87 Difference]: Start difference. First operand 151 states and 225 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:20,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:20,964 INFO L93 Difference]: Finished difference Result 342 states and 508 transitions. [2023-11-24 23:15:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:15:20,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 101 [2023-11-24 23:15:20,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:20,969 INFO L225 Difference]: With dead ends: 342 [2023-11-24 23:15:20,969 INFO L226 Difference]: Without dead ends: 252 [2023-11-24 23:15:20,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=115, Invalid=436, Unknown=1, NotChecked=0, Total=552 [2023-11-24 23:15:20,972 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 393 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:20,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 200 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-24 23:15:20,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-11-24 23:15:20,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 160. [2023-11-24 23:15:21,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 133 states have (on average 1.4210526315789473) internal successors, (189), 133 states have internal predecessors, (189), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:15:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 237 transitions. [2023-11-24 23:15:21,003 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 237 transitions. Word has length 101 [2023-11-24 23:15:21,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:21,004 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 237 transitions. [2023-11-24 23:15:21,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 237 transitions. [2023-11-24 23:15:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 23:15:21,007 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:21,007 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:21,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:21,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:21,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:21,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:21,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:21,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1786330042, now seen corresponding path program 1 times [2023-11-24 23:15:21,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:21,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039396641] [2023-11-24 23:15:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:21,420 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 [2023-11-24 23:15:21,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:21,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:21,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:21,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:15:21,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:21,829 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 19 treesize of output 1 [2023-11-24 23:15:21,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-11-24 23:15:22,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:22,176 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 39 [2023-11-24 23:15:22,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:22,810 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 75 treesize of output 53 [2023-11-24 23:15:22,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:22,902 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 75 treesize of output 62 [2023-11-24 23:15:23,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:23,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 39 [2023-11-24 23:15:23,203 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 151 proven. 18 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-24 23:15:23,203 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:15:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:15:23,558 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:23,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039396641] [2023-11-24 23:15:23,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039396641] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-24 23:15:23,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:15:23,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2023-11-24 23:15:23,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175663940] [2023-11-24 23:15:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:23,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:15:23,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:23,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:15:23,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-11-24 23:15:23,562 INFO L87 Difference]: Start difference. First operand 160 states and 237 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:24,348 INFO L93 Difference]: Finished difference Result 297 states and 445 transitions. [2023-11-24 23:15:24,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:15:24,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 101 [2023-11-24 23:15:24,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:24,359 INFO L225 Difference]: With dead ends: 297 [2023-11-24 23:15:24,360 INFO L226 Difference]: Without dead ends: 198 [2023-11-24 23:15:24,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-11-24 23:15:24,364 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 40 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:24,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 274 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-24 23:15:24,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-24 23:15:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 188. [2023-11-24 23:15:24,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 161 states have (on average 1.4472049689440993) internal successors, (233), 161 states have internal predecessors, (233), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:15:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 281 transitions. [2023-11-24 23:15:24,414 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 281 transitions. Word has length 101 [2023-11-24 23:15:24,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:24,416 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 281 transitions. [2023-11-24 23:15:24,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:24,420 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 281 transitions. [2023-11-24 23:15:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 23:15:24,427 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:24,428 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:24,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:24,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:24,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:24,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:24,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1690988804, now seen corresponding path program 1 times [2023-11-24 23:15:24,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:24,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316706767] [2023-11-24 23:15:24,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:24,639 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 [2023-11-24 23:15:24,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:24,642 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:24,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:25,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:15:25,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:25,480 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 [2023-11-24 23:15:25,606 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 23 treesize of output 23 [2023-11-24 23:15:25,695 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:25,695 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 39 treesize of output 44 [2023-11-24 23:15:25,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2023-11-24 23:15:25,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:25,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 22 [2023-11-24 23:15:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:15:26,105 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:26,106 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:26,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316706767] [2023-11-24 23:15:26,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316706767] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:26,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:26,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-24 23:15:26,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800282052] [2023-11-24 23:15:26,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:26,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 23:15:26,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:26,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 23:15:26,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:15:26,108 INFO L87 Difference]: Start difference. First operand 188 states and 281 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:30,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:30,802 INFO L93 Difference]: Finished difference Result 521 states and 780 transitions. [2023-11-24 23:15:30,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-24 23:15:30,803 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 101 [2023-11-24 23:15:30,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:30,808 INFO L225 Difference]: With dead ends: 521 [2023-11-24 23:15:30,808 INFO L226 Difference]: Without dead ends: 412 [2023-11-24 23:15:30,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2023-11-24 23:15:30,810 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 635 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:30,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 518 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-24 23:15:30,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-11-24 23:15:30,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 232. [2023-11-24 23:15:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 205 states have (on average 1.4390243902439024) internal successors, (295), 205 states have internal predecessors, (295), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:15:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 343 transitions. [2023-11-24 23:15:30,836 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 343 transitions. Word has length 101 [2023-11-24 23:15:30,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:30,837 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 343 transitions. [2023-11-24 23:15:30,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 343 transitions. [2023-11-24 23:15:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:15:30,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:30,840 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:30,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:31,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:31,049 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:31,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:31,050 INFO L85 PathProgramCache]: Analyzing trace with hash -2050331606, now seen corresponding path program 1 times [2023-11-24 23:15:31,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:31,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [307939377] [2023-11-24 23:15:31,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:31,051 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 [2023-11-24 23:15:31,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:31,052 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:31,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:31,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:31,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:31,469 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:31,470 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 62 treesize of output 26 [2023-11-24 23:15:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:15:31,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:31,579 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:31,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [307939377] [2023-11-24 23:15:31,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [307939377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:31,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:31,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:31,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714304898] [2023-11-24 23:15:31,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:31,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:15:31,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:15:31,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:15:31,582 INFO L87 Difference]: Start difference. First operand 232 states and 343 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:33,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:33,350 INFO L93 Difference]: Finished difference Result 466 states and 689 transitions. [2023-11-24 23:15:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:15:33,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-24 23:15:33,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:33,355 INFO L225 Difference]: With dead ends: 466 [2023-11-24 23:15:33,355 INFO L226 Difference]: Without dead ends: 332 [2023-11-24 23:15:33,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:15:33,356 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 210 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:33,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 360 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-24 23:15:33,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-24 23:15:33,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 235. [2023-11-24 23:15:33,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 208 states have (on average 1.4423076923076923) internal successors, (300), 208 states have internal predecessors, (300), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:15:33,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 348 transitions. [2023-11-24 23:15:33,377 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 348 transitions. Word has length 103 [2023-11-24 23:15:33,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:33,378 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 348 transitions. [2023-11-24 23:15:33,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:33,379 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 348 transitions. [2023-11-24 23:15:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:15:33,380 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:33,381 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:33,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-24 23:15:33,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:33,587 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:33,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:33,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1851608680, now seen corresponding path program 1 times [2023-11-24 23:15:33,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:33,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885471797] [2023-11-24 23:15:33,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:33,588 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 [2023-11-24 23:15:33,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:33,590 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:33,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:33,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:15:33,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:34,144 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 19 treesize of output 1 [2023-11-24 23:15:34,216 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 19 treesize of output 1 [2023-11-24 23:15:34,293 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 [2023-11-24 23:15:34,472 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 [2023-11-24 23:15:34,850 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:34,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 39 [2023-11-24 23:15:34,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:34,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 48 [2023-11-24 23:15:35,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 37 [2023-11-24 23:15:35,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:35,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 27 [2023-11-24 23:15:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-24 23:15:35,280 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:35,280 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:35,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885471797] [2023-11-24 23:15:35,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885471797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:35,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:35,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-24 23:15:35,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419541705] [2023-11-24 23:15:35,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:35,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-24 23:15:35,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:35,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-24 23:15:35,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:15:35,283 INFO L87 Difference]: Start difference. First operand 235 states and 348 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:15:40,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:40,116 INFO L93 Difference]: Finished difference Result 519 states and 770 transitions. [2023-11-24 23:15:40,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-24 23:15:40,118 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2023-11-24 23:15:40,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:40,121 INFO L225 Difference]: With dead ends: 519 [2023-11-24 23:15:40,121 INFO L226 Difference]: Without dead ends: 382 [2023-11-24 23:15:40,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-24 23:15:40,123 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 695 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:40,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 339 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-24 23:15:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-11-24 23:15:40,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 247. [2023-11-24 23:15:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 220 states have (on average 1.4454545454545455) internal successors, (318), 220 states have internal predecessors, (318), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:15:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 366 transitions. [2023-11-24 23:15:40,148 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 366 transitions. Word has length 103 [2023-11-24 23:15:40,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:40,148 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 366 transitions. [2023-11-24 23:15:40,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-24 23:15:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 366 transitions. [2023-11-24 23:15:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:15:40,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:40,151 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:40,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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)] Ended with exit code 0 [2023-11-24 23:15:40,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:40,358 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:40,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:40,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1190942986, now seen corresponding path program 1 times [2023-11-24 23:15:40,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:40,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357587955] [2023-11-24 23:15:40,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:40,360 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 [2023-11-24 23:15:40,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:40,361 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:40,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:40,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:40,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:40,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:40,744 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 62 treesize of output 26 [2023-11-24 23:15:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-24 23:15:40,836 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:40,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:40,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357587955] [2023-11-24 23:15:40,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357587955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:40,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:40,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:40,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877243107] [2023-11-24 23:15:40,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:40,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:15:40,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:15:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:15:40,840 INFO L87 Difference]: Start difference. First operand 247 states and 366 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:42,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:42,764 INFO L93 Difference]: Finished difference Result 434 states and 647 transitions. [2023-11-24 23:15:42,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 23:15:42,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-24 23:15:42,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:42,768 INFO L225 Difference]: With dead ends: 434 [2023-11-24 23:15:42,769 INFO L226 Difference]: Without dead ends: 269 [2023-11-24 23:15:42,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:15:42,770 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 27 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:42,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 383 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-24 23:15:42,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-24 23:15:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 247. [2023-11-24 23:15:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 220 states have (on average 1.4363636363636363) internal successors, (316), 220 states have internal predecessors, (316), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:15:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 364 transitions. [2023-11-24 23:15:42,789 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 364 transitions. Word has length 103 [2023-11-24 23:15:42,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:42,790 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 364 transitions. [2023-11-24 23:15:42,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-24 23:15:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 364 transitions. [2023-11-24 23:15:42,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-24 23:15:42,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:42,792 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:15:42,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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)] Ended with exit code 0 [2023-11-24 23:15:42,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:42,997 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:42,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:42,998 INFO L85 PathProgramCache]: Analyzing trace with hash 373294536, now seen corresponding path program 1 times [2023-11-24 23:15:42,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:42,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071263760] [2023-11-24 23:15:42,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:42,999 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 [2023-11-24 23:15:42,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:43,000 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:15:43,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1f43e37-f575-4136-bd2b-cbc2427245b6/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:15:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:43,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:15:43,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:43,511 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 [2023-11-24 23:15:43,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2023-11-24 23:15:43,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:43,897 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 35 treesize of output 37 [2023-11-24 23:15:44,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:44,245 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 45 treesize of output 50